![{(a - b + c)}^{2} {(a - b + c)}^{2}](https://tex.z-dn.net/?f=+%7B%28a++-+b+%2B+c%29%7D%5E%7B2%7D+)
formula
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2
Answer:
(a-b+c)²=a²+b²+c²-2ab-2bc+2ac
Answered by
1
Answer:
a²+b²+c²-2ab-2bc+2ca
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