These ncert book chapter wise questions and answers are very helpful for CBSE board exam. Find the angle between two vectors and with magnitude and 2 respectively having. Given:. Let be the angle between the vector. We know. Find the angle between the vectors. Given: Let. Find the projection of the vector on the vector. Let. If projection of vector and is zero, then vector is perpendicular to. Let ���. Each of the three given vectors is a unit vector. Hence, are mutually perpendicular vectors.

Find and if. Given: and ���. Lorem lpsum 267 boatplans/used-boats/used-fishing-boats-for-sale-in-jackson-tn More info in eq.

Putting in eq i. Given:angle say between and is and their scalar i. Putting mths we. Given: is a unit vector ���. Putting from eq. Given:. **Ch 12 maths class 10 ex 12.3 free,** is perpendicular to therefore. Letwhere. Putting, and. Therefore, vectors and are perpendicular ot each.

Therefore, can be any vector. Since, are unit vectors. Therefore, and ���. Also given. Case I: 123. Therefore by definition of zero vector, ���. Lorem lpsum 267 boatplans/maths/maths-10th-ncert-84-office More info II : Vector. Justification : Let. Again let. Hence, herebut. Let be the angle 122 the vectors.

Angle C is Therefore is a right angled at C. Given: is a non-zero vector of magnitude. Also given and is a unit vector. Ncert solution class 12 Maths includes text book solutions from both **ch 12 maths class 10 ex 12.3 free** 1 and part 2. Explained in simple way Very helpful for students Easily can understand the method of solving the sums.

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