# NCERT Solutions for CBSE Class 12 Mathematics ‒ Chapter 3: Matrices (Part IX)

Mayank Uttam

NCERT Solutions for CBSE Class 12 Maths, Chapter 3: Matrices are available here. In this article, you will get detailed explanations of exercise 3.4 (from question number 1 to question number 9). Most of the questions given here are based on concepts related to Elementary Operation (Transformation) of a Matrix, Invertible Matrices, Inverse of a matrix by elementary operations etc. These questions are also important for Class 12 Maths board exam 2018 and other entrance exams like WBJEE, JEE Mains, UPSEE etc.

NCERT Solutions for CBSE Class 12th Maths, Chapter 3: Matrices (Exercise 3.4) from question number 1 to 9 are given below:

Question 1:

Solution 1:

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Question 2:

Solution 2:

Question 3:

Solution 3:

Question 4:

Solution 4:

Question 5:

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Question 6:

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Question 7:

Solution 7:

Question 8:

Solution 8:

Question 9:

Solution 9:

Donwload NCERT Solution for Class 12 Maths (Chapter 3 - Matrices) in PDF format