Find abs a-b=3 & a²+ b ² = 2 – InterviewSolution

1.

Find abs a-b=3 & a²+ b ² = 2

Answer»

-7/2

Step-by-step EXPLANATION:

a-b=3

Squaring both SIDES

(a-b)²=(3)²

a²-2ab+b²=9

(a²+b²)-2ab=9

2-2ab=9

-2ab=9-2

-2ab=7

ab=-7/2

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