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  • Please Solve RD Sharma Class 12 Chapter 4 Algebra of Matrices Exercise Very Short Asnwer Question 66 Maths Textbook Solution.

Please Solve RD Sharma Class 12 Chapter 4 Algebra of Matrices Exercise Very Short Asnwer Question 66 Maths Textbook Solution.

Answers (1)

Answer:A=[2],\left ( 1\times1 \right ) matrix

Hint: Here we use basic of algebra

Given: [2 1 3] [ -1\: 0 -1 -1 \: 1\: 0\: 0 \: 1\: 1] [1 \: 0 -1 ]=A  find A

Solution:

Here 1st has 3 columns and 2nd has 3 rows , 2nd has 3 columns and 3rd has 3 rowsSo, multiplication is possible

A=[2 1 3] [ -1\: 0 -1 -1 \: 1\: 0\: 0 \: 1\: 1] [1 \: 0 -1 ]A

     =[-2-1+0\: 0+1+3-2+0-3][1\: 0-1]

     A=[-3\: 4-5] [1\: 0-1]A=[-3+0+5]

     A=[2]

 

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