1.

1. (56) – (55) 2 का मान है।(a) 111 (b) 1109(C) 112(d) 109

Answer»

3136-3025=111 is correct answer

by the algebraic formula(a)^2-(b)^2=(a-b)(a+b)now we to the question(56+55)(56-55)=111*1=111



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