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

Expert Teacher provides CBSE Answers for MCQ 12 Science Maths Matrices 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:**

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

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

**Question 1** : Let Find 3A - C. (View Answer Video)

**Question 2** : Find the value of z, from the equation: . (View Answer Video)

**Question 3** : If A is a square matrix such that, then find the simplified value of:. (View Answer Video)

**Question 4** : Find the value of x, from the equation: . (View Answer Video)

**Question 5** : If , then find "a". (View Answer Video)

**Question 1** : If f(x) = |x| and g(x) = | 5x – 2 |. Then, fog = _____. (View Answer Video)

**Question 2** : Let R be the relation in the set N given by :

R = {(a, b) : a = b - 2, b > 6}.

Choose the correct answer : (View Answer Video)

**Question 3** : A function defined as is, (View Answer Video)

**Question 4** : Letbe defined as f(x) = 3x. (View Answer Video)

**Question 5** : Let A = {1, 2, 3}. Then, number of relations containing (1, 2) and (1, 3) which are reflexive and symmetric but not transitive is, (View Answer Video)

**Question 1** : Find the position vector of a point which divides the join of points with position vectors and externally in the ration 2:1. (View Answer Video)

**Question 2** : Find a vector in the direction of that has magnitude 7 units. (View Answer Video)

**Question 3** : Find the value of x and y so that the vectors and are equal. (View Answer Video)

**Question 4** : Find a vector in the direction of vector which has magnitude 8 unit. (View Answer Video)

**Question 5** : Find |a| and |b|, if (a + b).(a - b) = 8 and |a| = 8|b|. (View Answer Video)

**Question 1** : Show that the solution of differential equation :

(View Answer Video)

**Question 2** : Obtain the differential equation of the family of circles passing through the points (a, 0) and (-a, 0). (View Answer Video)

**Question 3** : Find the particular solution of the differential equation :

when x = 1, (View Answer Video)

**Question 4** : Write the differential equation representing the family of curves y = mx, where m is an arbitrary constant. (View Answer Video)

**Question 5** : Find the sum of the order and the degree of the following differential equation:

(View Answer Video)