Simplify ( a + b + c)² + (a - b - c)2
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a square + b square +c square+ 2ab +2bc + 2ac+a square +b square+c square-2ab-2bc-2ac
2a square+2b square+2c square.... ans
lucifernik9:
hi
Answered by
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(a+b+c)²+ (a-b-c)
= a²+b²+c²+a²-b²-c²
= (a²+a²) (b²-b²) (c²-c²)
= a²+² +0+0
= a4
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