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  • Explain Solution for RD Sharma Maths Class 12 Chapter 6 Adjoint and inverse of a Matrix Exercise very short answer type Question 24 maths textbook solution

Explain Solution for RD Sharma Maths Class 12 Chapter 6 Adjoint and inverse of a Matrix Exercise very short answer type Question 24 maths textbook solution

Answers (1)

VSQ : 24

Answer : \left[\begin{array}{cc} 0 & 3 \\ -2 & 1 \end{array}\right]

Given : \left[\begin{array}{cc} 1 & -3 \\ 2 & 0 \end{array}\right]

Hint : find the cofactors to find adj A

solution : 

A=\left[\begin{array}{cc} 0 & -2 \\ 3 & 1 \end{array}\right]

=\left[\begin{array}{cc} 0 & 3 \\ -2 & 1 \end{array}\right]               [ \text{co-factors of element A are, }\left.C_{11}=0, C_{12}=-2, C_{21}=3, C_{22}=1\right]                        

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