What is the formula of a square + b square + c square
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2
Answer:
square a square + b square + c square + 2 a b + 2 BC + CA
Answered by
2
Answer:
(a+b+c)^2=a^2+b^2+c^2+2ab+2bc+2ca
therefore,
a square +b square +c square=(a+b+c)^2- 2ab- 2bc- 2ca
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