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(a+b)^2 - (a-b)^2=

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(a+b)^2 - (a-b)^2=

Posted by Shazanul Haque Jafar 5 years, 6 months ago

CBSE > Class 08 > Mathematics

2 answers

Yogita Ingle 5 years, 6 months ago

( a+ b)² - (a -b)² = (a² + 2ab + b² ) - (a² - 2ab + b²)
=a² + 2ab + b² - (a² + 2ab - b²)

= 2ab + 2ab
= 4 ab

1Thank You

Shazanul Haque Jafar 5 years, 6 months ago

2a^2+2b^2

2Thank You

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CBSE > Class 08 > Mathematics