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यदि a, b, c, in R तथा a(a + b) + b ( b...

यदि `a, b, c, in R ` तथा `a(a + b) + b ( b + c) + c (c + a) = 0 ` हो, तो

A

`a = b = c = 0 `

B

`a + b + c + = 0 `

C

`(a - b)^(2) + ( b - c)^(2) + (c - a)^(2) = 0 `

D

`a^(3) + b^(3) + c^(3) - 3 abc = 0 `

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The correct Answer is:
A, B, C, D
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