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Question 844

Let A =  and B =, a, b ε ℕ. Then


a) There exist more than one but finite number of B’s such that

AB = BA

b) There exist exactly one B such that AB = BA

c) There exist infinitely many B’s such that AB = BA

d) There cannot exist any B such that AB = BA

AIEEE 2006

Your Answer

ABCD   CLEAR


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