the value of (a+b)²+(a-b)² =
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this answer is :
Step-by-step explanation:
(a- b)² (a+b) ²: a²- b²
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Answer:
Step-by-step explanation:
(a + b)² + (a-b)²
⇒ a² + b² + 2ab + a² + b² - 2ab
⇒ a² + b² + a² + b²
⇒ 2(a² + b²)
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