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Answer

Given expression is {(0.0347)^3+ (0.9653)^3}/(0.0347)^2-(0.347)(0.09653) +(0.9653)^2.  

Let 0.0347 =a and 0.9653 =b then above expression is,

(a^3 +b^3)/ a^2-10a×b/10× b^2  =  (a+b)(a^2-a×b+b^2)/ a^2 - a×b +b^2 

= a+b = 0.0347 +0.9653 = 1. 

Correct option is (4) .

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