# Check your IQ with this Integration

Calculus Level 2

$\large \begin{cases} y=0 \\ y = f(x) \\ x = c \\ x=d \end{cases}$

If the area bounded by above curves is independent of $$d$$, $$\forall\ d > c$$, then $$f(x)$$ is:

Note: $$c$$ is a constant.

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