1.

23%23-03%03Iy 55773 2x23%08 R

Answer»

Let 2.3=aand 0.3=ba²-b²/(a²-2ab+b²)(a-b)(a+b)/(a-b)²a+b/a-b=2.3+0.3/2.3-0.3=2.6/2=1.3



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