UPSC CDS 1 2018 Math Paper

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Question : 10 of 100

Marks: +1, -0

If x+y+z=0, then what is

(y+z−x)2+(z+x−y)3+(x+y−z)3

equal to ?

[2018 CDS-I]

(x+y+z)3
3(x+y)(y+z)(z+x)
24xyz
−24xyz

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