NCERT Solutions for Class 12 Maths Chapter 3 Matrices Exercise 3.4

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Content Strategy Manager

Class 12 Maths NCERT Solutions Chapter 3 Matrices Exercise 3.4 is provided in this article. Chapter 3 Exercise 3.4 deals with problems related to the concepts of elementary operation of a Matrix, invertible matrices, and the inverse of a matrix by elementary operations.

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Check out other exercise solutions of Class 12 Maths Chapter 3 Matrices

Class 12 Chapter 3 Matrices Topics:
Transpose of a Matrix	Scalar Matrix Formula	Column Matrix
Matrix Multiplication	Orthogonal Matrix	Singular Matrix
Inverse Matrix Formula	Proof of the uniqueness of inverse, if it exists	Upper Triangular Matrix

Also check:

CBSE Class 12 Mathematics Study Guides:
Algebra	Arithmetic	Calculus
Mensuration	Trigonometry	Geometry
Permutation and Combination	Math Study Notes	Math MCQs
NCERT Solutions for Class 12 Maths	Math Formula	Difference between in Math

CBSE CLASS XII Related Questions

1.
Find : \[ I = \int \frac{x + \sin x}{1 + \cos x} \, dx \]
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2.
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(i) The probability distribution of the number of oranges he draws.
(ii) The expectation of the number of oranges.
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3.
If \( \mathbf{a} \) and \( \mathbf{b} \) are position vectors of two points \( P \) and \( Q \) respectively, then find the position vector of a point \( R \) in \( QP \) produced such that \[ QR = \frac{3}{2} QP. \]
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4.
An amount of ₹ 10,000 is put into three investments at the rate of 10%, 12% and 15% per annum. The combined annual income of all three investments is ₹ 1,310, however, the combined annual income of the first and second investments is ₹ 190 short of the income from the third. Use matrix method and find the investment amount in each at the beginning of the year.
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5.
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6.
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(ii) The probability that she buys a box of colours given she buys the colouring book.
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