If A+B={:[(7,6),(-3,2)]:}andA-B={:[(1,2)...

If `A+B={:[(7,6),(-3,2)]:}andA-B={:[(1,2),(3,6)]:}`, then find A.

A

`{:[(4,4),(0,4)]:}`

B

`{:[(8,8),(0,8)]:}`

C

`{:[(-4,-4),(0,-4)]:}`

D

`{:[(-8,-8),(0,-8)]:}`

Text Solution

Verified by Experts

The correct Answer is:

A

(i) Add the given matrix equations.
(ii) Add(A-B) to (A+B) to find matrix A.

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