Math, asked by zishanfiroz, 1 month ago

(i) (a + b)2 + (a - b)2 please do in copy step by step

Answers

Answered by nafeess2019

2

Answer:

4ab

Step-by-step explanation:

⇒ (a + b)² - (a - b)²

⇒ a² + b² + 2ab - (a² + b² - 2ab)

⇒ a² + b² + 2ab - a² - b² + 2ab

⇒ 4ab

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