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Let f(x)=x^6-2x^5+x^3+x^2-x-1 and g(x)=x...

Let `f(x)=x^6-2x^5+x^3+x^2-x-1` and `g(x)=x^4-x^3-x^2-1` be two polynomials. Let a,b,c and d be the roots of g(x)=0. Then the value of f(a)+f(b)+f(c)+f(d) is

A

-5

B

0

C

4

D

5

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KVPY PREVIOUS YEAR-SOLVED PAPER 2019-EXAMPLE
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