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  • Need Solution for R.D.Sharma Maths Class 12 Chapter 4 Algebra of Matrices Exercise Multiple Choice Questions Question 45 Maths Textbook Solution.

Need Solution for R.D.Sharma Maths Class 12 Chapter 4 Algebra of Matrices Exercise Multiple Choice Questions Question 45 Maths Textbook Solution.

Answers (1)

Answer: Diagonal matrix

Given: A=\left[\begin{array}{lll} 1 & 0 & 0 \\ 0 & 2 & 0 \\ 0 & 0 & 4 \end{array}\right]

Hint: You must know about diagonal matrix

Solution:

A=\left[\begin{array}{lll} 1 & 0 & 0 \\ 0 & 2 & 0 \\ 0 & 0 & 4 \end{array}\right]

Here all the elements of the matrix except the diagonal elements are 0

\therefore A is a diagonal matrix

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