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Dileep Panwar

· started a discussion

· 1 Months ago

d (Question: 142957.0 )

x+y+z=0 is also right answer

Question:

x3 – y3 - z3 - 3xyz = 0, then which one is correct?

Options:
A) x=y=z
B) x+y+z=0
C) x+z=y
D) x=y+z
Solution:

Given, x3 - y3 – z3 - 3xyz = 0

x3 - y3 – z3 = 3xyz = x3 + (-y)3 + (-z)3 = 3xyz

So, x – y – z = 0

⇒ x = y + z

Knowledge Expert

· commented

· 1 Months ago

No, it can not be right...please find the solution by clicking report and see the formula...
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