Question

b + c power 2 upon 3 BC + CA + power 2 upon 3 + a + b power 2 upon 3 equals to 1

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Answer 1

Answer:

Maths

Step-by-step explanation:

If a b c are on non zero and a+ b+ c+ is equals to zero prove that a square up on BC + b square upon A C + c square upon A B is equals to 3.