The Product Of Two Numbers Is 20. The Sum Of Squares Of The Two Numbe – InterviewSolution

1.

The Product Of Two Numbers Is 20. The Sum Of Squares Of The Two Numbers Is 81.find The Sum Of The Numbers.?

Answer»

Let the NUMBERS be x,y.

=> x2+y2=81,

=> 2(x+y)=40,

=> (x+y)2=81+40=121,

=> x+y=sqrt(121)=11

Let the numbers be x,y.

=> x2+y2=81,

=> 2(x+y)=40,

=> (x+y)2=81+40=121,

=> x+y=sqrt(121)=11

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