(a+b)2-(a-b)2 please tell me this formula
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Formula is a^2 - b^2 = (a+b) (a-b)
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Answer:
4ab
Step-by-step explanation:
(a²+b²+2ab)-(a²+b²-2ab)
a²+b²+2ab-a²-b²+2ab
2ab+2ab
4ab
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