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If A=[(1,-1),(2,-1)] and B=[(1,a),(4,b)]...

If `A=[(1,-1),(2,-1)]` and `B=[(1,a),(4,b)]` and `(A+B)^(2)=A^(2)+B^(2)`.
Then a and b are respectively

A

2

B

3

C

4

D

5

Text Solution

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The correct Answer is:
D
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DISHA PUBLICATION-MATRICES-Exercise 2: Concept Applicator
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  5. If A=[(1,-1),(2,-1)] and B=[(1,a),(4,b)] and (A+B)^(2)=A^(2)+B^(2). ...

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  18. If B=[(3,4),(4,3)] and C=[(3,-4),(-2,3)] and X=BC, find X^(n)

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  19. If A=[(1,0),(1//2,1)], A^(400) is equal to

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  20. Let A=[(0,alpha),(0,0)] and (A+I)^(50)-50A=[(a,b),(c,d)], find abc+abd...

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