Question

Simplify the following:
(a + b)2+(a - b)²ए प्लस बी स्क्वायर प्लस ए माइनस बी स्क्वायर ​

Answer 1

A2 + 2ab + b2 + a2 - 2ab + b2
2a2 + 2b2

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Answer 2

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