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(l+m)² -(l-m)²

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(l+m)² -(l-m)²

Posted by Techy Trends Gaming 6 years, 10 months ago

CBSE > Class 08 > Mathematics

2 answers

Techy Trends Gaming 6 years, 10 months ago

Wah wah

0Thank You

Yogita Ingle 6 years, 10 months ago

(l + m)2 - (l -m)2 = l² + 2lm + m²- (l² - 2lm + m²)
= l² + 2lm + m²- l² + 2lm - m²
= 2lm + 2 lm
= 4 lm

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CBSE > Class 08 > Mathematics