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Please Solve RD Sharma Class 12 Chapter 4 Algebra of Matrices Exercise Very Short Asnwer Question 68 Maths Textbook Solution.

Answers (1)

Answer: ABis order of 3\times4

Hint: Here we use basic of order of matrix

Given: Find order of AB

Solution:

A=A_{[3\times2]}

B=B_{[2\times4]}

Here in both A's column is same as B's rows

So multiplication is possible

A\times B=A_{[3\times 2]}\times B_{[2\times4]}=AB_{[3\times4]}

 

 

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