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Let * be a binary operation on Z .If a * b = (a2 + b3 ) 2 where a, b ∈ Z then the value of 5 * 3 is 

(A) 1256 

(B) 2704 

(C) 64 

(D) 34

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Best answer

Correct Option :- (B) 2704

Explanation :-

We have a * b = (a2 + b3 )2 ; a, b ∈ Z 

 5 * 3 = ((5)2 + (C)2 = (25 + 27)2 = 2704 

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