Math, asked by ravoo, 1 year ago

If a+b = 10 and a square +b square = 58 , find ab

Answers

Answered by Adritachatterji

1

(a+b)^2=a^2 +b^2 +2ab
=>10^2=58+2ab
=>100-58=2ab
=>ab=42/2
=>ab=21

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