(a + b)2 + (a - b)2
Answers
Answered by
1
Answer:
a²+b²+2ab+a²-b²+2ab
Answered by
0
Answer:
2(a^2+b^2)
Step-by-step explanation:
(a+b)^2 +(a-b)^2 = a^2+b^2+ 2ab + a^2+b^2-2ab = 2a^2+2b^2 = 2(a^2+b^2)
Remember the formula directly in case you wish to solve problems quickly.
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