(a+b+c) ² what's the answer
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Answered by
1
Answer:
(a + b + c)^2 = a^2 + b^2 + c^2 + 2ab + 2bc + 2ca.
Answered by
2
Answer:
a^ 2 + b^ 2 + c^2 + 2 ( ab + bc + ca )
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