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

Expert Teacher provides MCQ Answers for CBSE 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:**

** Compute: . **

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

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

**Question 1** : If A is a square matrix such that, then find the simplified value of:.

**Question 2** : If , write the value of"x".

**Question 3** : Find the value of t, if .

**Question 4** : Given, , find the value of y.

**Question 5** : Using elementary transformation, find the inverse of the matrix .

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

### Integrals

**Question 1** : Find the integral of the function .

**Question 2** : Write the value of: .

**Question 3** : Find :

**Question 4** : Evaluate : .

**Question 5** : Evaluate :

### Application of Derivatives

**Question 1** : The line y = x + 1 is a tangent to the curve at the point:

**Question 2** :

The total revenue in Rupees received from the sale of 'x' units of a product is given by :

The marginal revenue, when x=15 is :

**Question 3** : A tank with a rectangular base and rectangular sides, open at the top is to be constructed so that its depth is 2m and volume is If the building of tank costs Rs.70 per sq meter for the base and Rs.45 per sq meter for sides. What is the cost of least expensive?

**Question 4** : Find two positive numbers x and y such that x+y=60 and is maximum.

**Question 5** : The normal to the curve passing (1, 2) is :

### Linear Programming

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