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if A=[(1,2),(2,3)] and A^(2) -lambdaA-l(...

if `A=[(1,2),(2,3)] and A^(2) -lambdaA-l_(2)=O,`then `lambda` is equal to

A

`-4`

B

`-2`

C

2

D

4

Text Solution

Verified by Experts

The correct Answer is:
D
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