CBSE Maths 12 Science Matrices MCQ Answers in English to enable students to get Answers in a narrative video format for the specific question.

Expert Teacher provides CBSE Maths 12 Science Matrices MCQ Answers through Video Answers in English language. This video solution will be useful for students to understand how to write an answer in exam in order to score more marks. This teacher uses a narrative style for a question from Matrices not only to explain the proper method of answering question, but deriving right answer too.

Please find the question below and view the Answer in a narrative video format.

** Question:**

** Find the value of z, from the equation: . **

** Answer Video in** **English****:**

You can select video Answers from other languages also. Please check Answers in ( Hindi )

**Question 1** : Find the value of y, from the equation: . (View Answer Video)

**Question 2** : Matrices A and B will be inverse of each other only if : (View Answer Video)

**Question 3** : Given, , find the value of w. (View Answer Video)

**Question 4** : If a matrix has 24 elements, what are the possible orders it can have? (View Answer Video)

**Question 5** : Find the transpose of the matrix: . (View Answer Video)

**Question 1** : L and M are two points with position vectors and respectively. Write the position vectors of a point N which divides the line segment LM in the ratio 2:1 externally. (View Answer Video)

**Question 2** : Find the scalar quantities from the following:

(i) Time period (ii) Distance (iii) Force

(iv) Velocity (v) Work done (View Answer Video)

**Question 3** : Find the unit vector in the direction of if and (View Answer Video)

**Question 4** : Find the scalar quantities from the following:

(i) 10 kg (ii) 2 m north-west (iii)

(iv) 40 W (v) (vi) (View Answer Video)

**Question 5** : Find the direction cosines of the vector joining the points A(1, 2, -3) and B(-1, -2, 1) directed from B to A. (View Answer Video)

**Question 1** : Evaluate : (View Answer Video)

**Question 2** : Write the value of :. (View Answer Video)

**Question 3** : Find:

(View Answer Video)

**Question 4** : Find the integral of the function . (View Answer Video)

**Question 5** : Evaluate : (View Answer Video)

**Question 1** : Let * be the binary operation on N given by a * b = LCM of a and b. Find the identity of * in N? (View Answer Video)

**Question 2** : Let * be the binary operation on N given by a * b = LCM of a and b. Find 20 * 16. (View Answer Video)

**Question 3** : If f is the greatest integer function and g is the modulus function . Write the value of g o f(-1/3) – f o g ( -1/3 ) . (View Answer Video)

**Question 4** : Let A = {1, 2, 3}. Then, number of equivalence relations containing (1, 2) are, (View Answer Video)

**Question 5** : Number of binary sets on the set is, (View Answer Video)