Math, asked by shubhanginidhar2006, 1 year ago

(L+m)whole square-4lm

Answers

Answered by Arcee1012
4

There comes ur answer!!

(l+m)^2 - 4lm = l^2 + m^2 +2 lm - 4lm

= l^2 + m^2 - 2lm

= (l - m)^2

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