add :- a²+b²+c²-3abc and a²-b²+c²+abc
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Answer:
formula
Step-by-step explanation:
this is formula
this formula is usefull
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Answer:
2a square + 2c square - 2abc
Step-by-step explanation:
a2 + b2 + c2 - 3abc +a2 - b2 + c2 + abc = 2a square + 2c square - 2abc
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