Question

If a - b = 5 and a square + b square = 37, find the value of ab ? I want to know whether the answer is 6 or 2

Answer 1

$a - b = 5 \\ (a - b) {}^{2} = 25 \\ a {}^{2} + b {}^{2} - 2ab = 25 \\ 37 - 2ab = 25 \\ 37 - 25 = 2ab \\ 2ab = 12 \\ ab = 6$

Answer 2

Hii..

here is your answer....