If a+b+2c=0 prove that a^3+b^3+8c^3-6abc=0
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Here's your solution bro.
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Step-by-step explanation:
given:. a+b+2c=0
prove that : a^3 + b^3 + 8c^3 = 6abc
a + b + 2c =0
a + b = -2c from (1)
(a + b)^3 = (-2c)^3
a^3 + b^3 + 3ac (a+b) = -8c^3
a^3 + b^3 + 3ab (-2c) = -8c^3
a^3 + b^3 - 6ac = -8c^3
a^3 + b^3 + 8c^3 = 6abc
hence, prove
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