Question

USING IDENTITY, SOLVE THIS:

5.27*5.27 - 0.27*0.27 / 5.54​

Answer 1

Answer:

let 5.27 be a and 0.27 be b

hence 5.54= 5.27+0.27=a+b

hence 5.27×5.27 =a² and 0.27×0.27=b²

a²-b²=(a+b)( a-b)

therefore (a+b)( a-b)/a+b=a-b

a-b=5.27-0.27=5

Answer=5

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