1970 AHSME Problems/Problem 5

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Problem

If $f(x)=\frac{x^4+x^2}{x+1}$, then $f(I)$, where $I=\sqrt{-1}$, is equal to

$\text{(A) } 1+i\quad \text{(B) } 1\quad \text{(C) } -1\quad \text{(D) } 0\quad \text{(E) } -1-i$

Solution

$\fbox{D}$

See also

1970 AHSME (ProblemsAnswer KeyResources)
Preceded by
Problem 4
Followed by
Problem 6
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