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Question : 39 of 86

Marks: +1, -0

x^{a^{2} b^{-1} c^{-1}} x^{b^{2} c^{-1} a^{-1}} x^{c^{2} a^{-1} b^{-1}}-x^{3}

would reduce to zero if

a+b+c

is given by

1
-1
0
None.

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