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Let f(x)=x^(4)+ax^(3)+bx^(2)+cx+d be a p...

Let `f(x)=x^(4)+ax^(3)+bx^(2)+cx+d` be a polynomial with real coefficients and real zeroes. If `|f(i)|=1`, (where `i=sqrt(-1)`) then `a+b+c+d` is equal to

A

`-1`

B

1

C

0

D

can't be determined

Text Solution

Verified by Experts

The correct Answer is:
C
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