a2+b2=? explain please
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Answered by
8
Answer:
(a+b)²-2ab
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Answered by
0
Answer:
(a+b)^2-2ab
Step-by-step explanation:
a^2+b^2
=a^2+b^2+2ab-2ab
=(a^2+b^2+2ab)-2ab
=(a+b)^2-2ab
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