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Mathematics

Answered

if a+b+c=0, prove that a^2 - b^2 - c^2 = 2bc

Answer :

Ranjot0143go Ranjot0143go

Step-by-step explanation:

a+b+c=0
b+c=(-a) (SQUARING both the sides)
(b+c)²=(-a)²
(b²+c²+2bc)=a²
2bc=a²-b²-c²

HENCE PROVED

a²-b²-c²=2bc

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Puttinirajango Puttinirajango

Step-by-step explanation:

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