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Let {:A=[(1,2),(3,4)]and BA=[(a,0),(0,b)...

Let `{:A=[(1,2),(3,4)]and BA=[(a,0),(0,b)]:},a,b in N` Then,

A

there exists more than one but finite number of B's such that AB=BA

B

there exists exactly one B such that AB=BA

C

there exist inifitely many B's such that AB=BA

D

there cannot exist any B such that AB=BA

Text Solution

Verified by Experts

The correct Answer is:
C
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