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

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

** Find the value of y, 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 inverse of the matrix, . (View Answer Video)

**Question 2** : Let Find AB. (View Answer Video)

**Question 3** : Find the value of c from the equation: . (View Answer Video)

**Question 4** : If, find the value of y. (View Answer Video)

**Question 5** : Find the value of z, from the equation: . (View Answer Video)

**Question 1** : Find the solution of the differential equation (View Answer Video)

**Question 2** : Find the particular solution of the differential equation given that where x = 1. (View Answer Video)

**Question 3** : Find the particular solution of the differential equation given that y = 0, when x = 0. (View Answer Video)

**Question 4** : Solve the differential equation given that y = 1 when x = 1. (View Answer Video)

**Question 5** : Form the differential equation of the family of circles touching the x-axis at origin . (View Answer Video)

**Question 1** : Find the angle between two vectors a and b with magnitudes and 2 respectively, having (View Answer Video)

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

(i) Work (ii) Force

(iii) Velocity (iv) Displacement. (View Answer Video)

**Question 3** : The two vectors and represent the two sides AB and AC, respectively of Find the length of the median

though A. (View Answer Video)

**Question 4** : Evaluate the product (3a - 5b).(2a + 7b). (View Answer Video)

**Question 5** : Find the scalar quantities from the following:

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

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

**Question 1** : A function defined as f(x) = 5x is, (View Answer Video)

**Question 2** : Number of binary sets on the set is, (View Answer Video)

**Question 3** : Consider a binary operation * on N defined as . Choose the correct answer. (View Answer Video)

**Question 4** : Functions are defined respectively, by , find . (View Answer Video)

**Question 5** : Let * be the binary operation on N given by a * b = LCM of a and b. Find 20 * 16. (View Answer Video)