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  • Please Solve RD Sharma Class 12 Chapter 4 Algebra of Matrices Exercise Very Short Asnwer Question 59 Maths Textbook Solution.

Please Solve RD Sharma Class 12 Chapter 4 Algebra of Matrices Exercise Very Short Asnwer Question 59 Maths Textbook Solution.

Answers (1)

Answer: a-2b=0

Hint: Here we use basic concept of matrix

Given: \begin{bmatrix} a+4& 3b\\ 8 & -6 \end{bmatrix}\begin{bmatrix} 2a+2& b+2\\ 8 & a-8b \end{bmatrix}=0  find a-2b

Solution:

So,\\ a+4=2 a+2\\ 2 a-a=4-2\\ a=2 \quad \ldots \ldots .(1)\\ 3 b=b+2\\ 2 b=2\\ b=1 \quad \ldots \ldots(2)\\a-2b=2-2(1)\; \; \; \; \; \; \; \; \; \; \; \; \; \; From (1)\: and(2)\\=2-2\\a-2b=0

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