Step-by-step explanation:
the above answer is correct
(a+b)²+(a-b)²
= (a²+2ab+b²)+(a²-2ab+b²)
Remove the brackets.
=a²+2ab+b²+a²-2ab+b²
=2(a²+b²)
Therefore, (a+b)²+(a-b)² = 2(a²+b²)
Hope this answer helps :)
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Answers & Comments
Step-by-step explanation:
the above answer is correct
(a+b)²+(a-b)²
= (a²+2ab+b²)+(a²-2ab+b²)
Remove the brackets.
=a²+2ab+b²+a²-2ab+b²
=2(a²+b²)
Therefore, (a+b)²+(a-b)² = 2(a²+b²)
Hope this answer helps :)