a + b + c the whole square
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Answered by
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a^2 + b^2 + c^2 +2ab+2bc+2ca
Hope it helps
vinod6140:
thanks
Answered by
3
HEYA ❣️
(a+b+c)²=a²+b²+c²+2ab+2bc+2ab
☺️❤️✔️
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