Question

the value of (a+b)²+(a-b)² is​

Answer 1

Answer:

2 (a^2+b^2)

Step-by-step explanation:

a^2+b^2+2ab+a^2+b^2-2ab

a^2+b^2+a^2+b^2

2a^2+2b^2

2 (a^2+b^2) 2 is common

Answer 2

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$\bf{a+b)²+(a-b)²}$

$=>(a²+b²+2ab)+(a²+b²-2ab)$

$=>a²+b²+2ab+a²+b²-2ab$

$=>2(a²+b²)$

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