If the product of two number is 32 and sum of square of the number is 80.Then what will be the sum o

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02 Jun 2021 Number

If the product of two number is 32 and sum of square of the number is 80.Then what will be the sum of the number?

OPtion

1) 16
2) 24
3) 12
4) 14
5) 23
6) 18
7) 20
8) 19
9) 22
10) None of the above

Solution

given that A*B=32

and A^2+B^2 = 80

(A+B)^2 = A^2+B^2+2AB = 80+64 = 144
A+B = 12

Correct Option: 3 Best Solution (3)