NCERT CBSE Class 10 Maths Chapter 15 Probability: Download in PDF
NCERT Class 10 Maths Books are provided in PDF form so that students can access it at any time anywhere. Class 10 NCERT Maths Books are created by the best professors who are experts in Maths and have good knowledge in the subject. NCERT Books for Class 10 Maths.� The NCERT syllabus mainly focuses on this book to make it student-friendly to make it useful for both the students and the competitive exam aspirants. The book covers a detailed Maths based on the syllabuses of various boards. NCERT Maths Books for Class 10 is perfectly compatible with almost every Indian education state and central boards. We hope that this detailed article on NCERT Books Class 10 Maths helps you in your preparation and you crack the Class 10 exams or competitive exams with excellent scores. The NCERT Class 10 Maths book contains 15 chapters each with its exercises that help students practice the concepts. The links to view/download Class 10 Maths NCERT solutions for each chapter are as below� Class 10 NCERT Maths Book Solution PDF Download: Unit-Wise Weightage Distribution. The unit-wise weightage distribution as per the CBSE Class 10 Maths Sample Paper and Class 10 Marking Scheme is tabulated below� NCERT Solutions Class 10 Maths Chapter 12 PDF. Chapter Surface Areas And Volumes. Class 10 Math Solution Chapter After looking at shapes on a plane, we move on to a 3-dimensional world and look at shapes like squares or rectangles as cubes or cuboids, triangles as cones, and circles as cylinders or spheres. Class_10_Maths pdf - Free download as PDF File .pdf), Text File .txt) or read online for free.� Class_10_Maths pdf. Uploaded by. mkb. 0 ratings0% found this document useful (0 votes). 1 views. 1 page. Document Information.

Mathematical beauty is the aesthetic pleasure typically derived from the abstractness, purity, simplicity, depth or orderliness of mathematics.

They might also describe mathematics as an art form e. Hardy [2] or, at a minimum, as a creative activity. Comparisons are often made with music and poetry. Bertrand Russell expressed his sense of mathematical beauty in these words:. Mathematics, rightly viewed, possesses not only truth, but supreme beauty�a beauty cold and austere, like that of sculpture, without appeal to any part of our weaker nature, without the gorgeous trappings of painting or music, yet sublimely pure, and capable of a stern perfection such as only the greatest art can show.

The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as poetry. It's like asking why is Beethoven's Ninth Symphony beautiful.

If you don't see why, someone can't tell you. I know numbers are beautiful. If they aren't beautiful, nothing is". Mathematicians describe an especially pleasing method of proof as elegant.

Depending on context, this may mean:. In the search for an elegant proof, mathematicians often look for different independent ways to prove a result�as the first proof that is found can often be improved. The theorem for which the greatest number of different proofs have been discovered is possibly the Pythagorean theorem , with hundreds of proofs being published up to date. In fact, Carl Friedrich Gauss alone had eight different proofs of this theorem, six of which he published.

Conversely, results that are logically correct but involve laborious calculations, over-elaborate methods, highly conventional approaches or a large number of powerful axioms or previous results are usually not considered to be elegant, and may be even referred to as ugly or clumsy.

Some mathematicians see beauty in mathematical results that establish connections between two areas of mathematics that at first sight appear to be unrelated. While it is difficult to find universal agreement on whether a result is deep, some examples are more commonly cited than others. One such example is Euler's identity : [8]. Euler's identity is a special case of Euler's formula , which the physicist Richard Feynman called "our jewel" and "the most remarkable formula in mathematics".

Other examples of deep results include unexpected insights into mathematical structures. For example, Gauss's Theorema Egregium is a deep theorem which relates a local phenomenon curvature to a global phenomenon area in a surprising way. In particular, the area of a triangle on a curved surface is proportional to the excess of the triangle and the proportionality is curvature. Another example is the fundamental theorem of calculus [10] and its vector versions including Green's theorem and Stokes' theorem.

The opposite of deep is trivial. A trivial theorem may be a result that can be derived in an obvious and straightforward way from other known results, or which applies only to a specific set of particular objects such as the empty set. In some occasions, however, a statement of a theorem can be original enough to be considered deep�even though its proof is fairly obvious.

In his A Mathematician's Apology , Hardy suggests that a beautiful proof or result possesses "inevitability", "unexpectedness", and "economy". Rota , however, disagrees with unexpectedness as a necessary condition for beauty and proposes a counterexample:. A great many theorems of mathematics, when first published, appear to be surprising; thus for example some twenty years ago [from ] the proof of the existence of non-equivalent differentiable structures on spheres of high dimension was thought to be surprising, but it did not occur to anyone to call such a fact beautiful, then or now.

It is very difficult to find an analogous invention in the past to Milnor 's beautiful construction of the different differential structures on the seven-dimensional sphere The original proof of Milnor was not very constructive, but later E. Briscorn showed that these differential structures can be described in an extremely explicit and beautiful form.

This disagreement illustrates both the subjective nature of mathematical beauty and its connection with mathematical results: in this case, not only the existence of exotic spheres, but also a particular realization of them. Interest in pure mathematics that is separate from empirical study has been part of the experience of various civilizations , including that of the ancient Greeks , who "did mathematics for the beauty of it".

Group theory , developed in the early s for the sole purpose of solving polynomial equations, became a fruitful way of categorizing elementary particles �the building blocks of matter.

Similarly, the study of knots provides important insights into string theory and loop quantum gravity. Some believe that in order to appreciate mathematics, one must engage in doing mathematics. In a general Math Circle lesson, students use pattern finding, observation, and exploration to make their own mathematical discoveries.

For example, mathematical beauty arises in a Math Circle activity on symmetry designed for 2nd and 3rd graders, where students create their own snowflakes by folding a square piece of paper and cutting out designs of their choice along the edges of the folded paper. When the paper is unfolded, a symmetrical design reveals itself. In a day to day elementary school mathematics class, symmetry can be presented as such in an artistic manner where students see aesthetically pleasing results in mathematics.

Some teachers prefer to use mathematical manipulatives to present mathematics in an aesthetically pleasing way. Examples of a manipulative include algebra tiles , cuisenaire rods , and pattern blocks.

For example, one can teach the method of completing the square by using algebra tiles. Cuisenaire rods can be used to teach fractions, and pattern blocks can be used to teach geometry. Using mathematical manipulatives helps students gain a conceptual understanding that might not be seen immediately in written mathematical formulas.

Another example of beauty in experience involves the use of origami. Origami, the art of paper folding, has aesthetic qualities and many mathematical connections. One can study the mathematics of paper folding by observing the crease pattern on unfolded origami pieces.

Combinatorics , the study of counting, has artistic representations that some find mathematically beautiful. Some of the topics and objects seen in combinatorics courses with visual representations include, among others:. Some mathematicians are of the opinion that the doing of mathematics is closer to discovery than invention, for example:. There is no scientific discoverer, no poet, no painter, no musician, who will not tell you that he found ready made his discovery or poem or picture�that it came to him from outside, and that he did not consciously create it from within.

These mathematicians believe that the detailed and precise results of mathematics may be reasonably taken to be true without any dependence on the universe in which we live. For example, they would argue that the theory of the natural numbers is fundamentally valid, in a way that does not require any specific context. Some mathematicians have extrapolated this viewpoint that mathematical beauty is truth further, in some cases becoming mysticism.

In Plato 's philosophy there were two worlds, the physical one in which we live and another abstract world which contained unchanging truth, including mathematics. He believed that the physical world was a mere reflection of the more perfect abstract world. Twentieth-century French philosopher Alain Badiou claims that ontology is mathematics. In some cases, natural philosophers and other scientists who have made extensive use of mathematics have made leaps of inference between beauty and physical truth in ways that turned out to be erroneous.

For example, at one stage in his life, Johannes Kepler believed that the proportions of the orbits of the then-known planets in the Solar System have been arranged by God to correspond to a concentric arrangement of the five Platonic solids , each orbit lying on the circumsphere of one polyhedron and the insphere of another.

As there are exactly five Platonic solids, Kepler's hypothesis could only accommodate six planetary orbits and was disproved by the subsequent discovery of Uranus. In the s, Abraham Moles and Frieder Nake analyzed links between beauty, information processing , and information theory. The latter corresponds to the first derivative of subjectively perceived beauty: the observer continually tries to improve the predictability and compressibility of the observations by discovering regularities such as repetitions and symmetries and fractal self-similarity.

Whenever the observer's learning process possibly a predictive artificial neural network leads to improved data compression such that the observation sequence can be described by fewer bits than before, the temporary interesting-ness of the data corresponds to the compression progress, and is proportional to the observer's internal curiosity reward. Examples of the use of mathematics in music include the stochastic music of Iannis Xenakis , Fibonacci in Tool 's Lateralus , counterpoint of Johann Sebastian Bach , polyrhythmic structures as in Igor Stravinsky 's The Rite of Spring , the Metric modulation of Elliott Carter , permutation theory in serialism beginning with Arnold Schoenberg , and application of Shepard tones in Karlheinz Stockhausen 's Hymnen.

Examples of the use of mathematics in the visual arts include applications of chaos theory and fractal geometry to computer-generated art , symmetry studies Ch 13 Maths Class 10 Pdf 60 of Leonardo da Vinci , projective geometries in development of the perspective theory of Renaissance art, grids in Op art , optical geometry in the camera obscura of Giambattista della Porta , and multiple perspective in analytic cubism and futurism.

The Dutch graphic designer M. Escher created mathematically inspired woodcuts , lithographs , and mezzotints. These feature impossible constructions, explorations of infinity , architecture , visual paradoxes and tessellations.

British constructionist artist John Ernest created reliefs and paintings inspired by group theory. From Wikipedia, the free encyclopedia. Notion that some mathematicians may derive aesthetic pleasure from mathematics. This section's tone or style may not reflect the encyclopedic tone used on Wikipedia. See Wikipedia's guide to writing better articles for suggestions.

March Learn how and when to remove this template message. Main articles: Mathematics and art , Mathematics and music , and Mathematics and architecture. Argument from beauty Cellular automaton Descriptive science Fluency heuristic Golden ratio Mathematics and architecture Neuroesthetics Normative science Philosophy of mathematics Processing fluency theory of aesthetic pleasure Pythagoreanism Theory of everything. Math Vault. Retrieved Mysticism and Logic: And Other Essays.

Mathematics rightly viewed possesses not only truth but supreme beauty a beauty cold and austere like that of sculpture without appeal to any part of our weaker nature without the gorgeous trappings Russell. Basic Books. ISBN BBC News online. Retrieved 13 February The Feynman Lectures on Physics. A Mathematician's Apology.

Mathematics Is Not a Spectator Sport. Happily, mathematicians are all doers , not spectators. Journal for Research in Mathematics Education. JSTOR Ceasefire Magazine. Aesthetics as information processing. Low-complexity art. Also in Proc. Curious model-building control systems.

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