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  • Need Solution for R. D. Sharma Maths Class 12 Chapter 4 Algebra of Matrices Exercise Multiple Choice Questions Question 28 Maths Textbook Solution.

Need Solution for R. D. Sharma Maths Class 12 Chapter 4 Algebra of Matrices Exercise Multiple Choice Questions Question 28 Maths Textbook Solution.

Answers (1)

Answer: The correct option is (D), Not possible to find.

Given:

Solution: \left[\begin{array}{cc} 3 x+7 & 5 \\ y+1 & 2-3 x \end{array}\right] \text { and }\left[\begin{array}{cc} 0 & y-2 \\ 8 & 4 \end{array}\right] are equal

Then from the matrices,

\begin{aligned} &3 x+7=0 \\ &x=\frac{-7}{3} \\ &y-2=5 \\ &y=7 \\ &2-3 x=4 \\ &3 x=-2 \\ &x=\frac{-2}{3} \end{aligned}

These values of x are not equal to each other, so it is not possible to find.

Thus, the correct option is (D).

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