Question

if n√a²=b, thenb²^n= options a=a ,b = n/2 ,c=a²^n, d=a^4​

Answer 1

Step-by-step explanation:

AB=A

i.e.A(BA)=A

i.e. (AB)A=A

i.e. A.A=A

Similarly, one can show B.B=B

That means A and B are idempotent matrices. But, from here, inferring that A=I and B=I is a fatal blunder.

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