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Anuj Hatoneya

· started a discussion

· 1 Months ago

Please hire a proofreader! (Question: 246938.0 )

The mistake is in sign before 3ABC term. An average SSC aspirant can do this for you, hire one!

Question:
If x + y + z = 2s, then the value of(2s - x)3 – y3– z3 - 3(2s - x)yz is –
Options:
A) 1
B) 0
C) x2 + y2 + z2
D) x + y + z
Solution:

Ans: (b)


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