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    If x = -1, Then –(x4+x3+x2+x) =

A    -10

B    -4

C    0

D    4

Solution

Correct Answer: Option C

 

x = -1

so,

[(-1)4 + (-1)3 + (-1)2 + (-1)]

= [1 - 1 + 1 - 1]

{Even number of power changes the Plus/Minus sign, but in Odd number of power the sign remains unchanged}

= 0

 

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