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If f(x) = x^3 + 3x^2 - 4x then f(x + 1) ...

If `f(x) = x^3 + 3x^2 - 4x` then `f(x + 1)` is :

A

`x^3=7xx62-5`

B

`x^3+6x^2+5x`

C

`(x+1)^3`

D

none of these

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The correct Answer is:
A
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