The Sum Of Two Number Is 15 And Sum Of Their Square Is 113. The Numbe – InterviewSolution

1.

The Sum Of Two Number Is 15 And Sum Of Their Square Is 113. The Numbers Are ?

Answer»

Let the number be X and (15 - x)

Then, X2 + (15 - x)2= 113

x2- 15X + 56 = 0

(x-7) (x-8) = 0.

Let the number be x and (15 - x)

Then, x2 + (15 - x)2= 113

x2- 15x + 56 = 0

(x-7) (x-8) = 0.

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