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

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

** Using elementary transformation, find the inverse of the matrix . **

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

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## Similar Questions from CBSE, 12th Science, Maths, Matrices

**Question 1** : Compute: .

**Question 2** : Find the value of y, from the equation: .

**Question 3** : Given, , find the value of z.

**Question 4** : Find the transpose of the matrix: .

**Question 5** : If A is a square matrix such that, then find the simplified value of:.

### Questions from Other Chapters of CBSE, 12th Science, Maths

### Linear Programming

**Question 1** : The objective function is maximum or minimum, which lies on the boundary of the feasible region.

### Differential Equations

**Question 1** : Write the degree of the differential equation

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

**Question 3** : Solve the differential equation:

**Question 4** : Find the particular solution of the differential equation given that y = 1, when x = 0.

**Question 5** : Form the differential equation of the family of circles in the second quadrant and touching the co-ordinate axes.

### Vector Algebra

**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.

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

**Question 3** : If and denote the position vectors of points A and B respectively and C is a point on AB such that AC = 2 CB, then write the position vector of C.

**Question 4** : Find |a| and |b|, if (a + b).(a - b) = 8 and |a| = 8|b|.

**Question 5** : Find the sum of the vectors :