If , , and are the roots of , then the value of…

MATHEMATICS · Single correct · CBSE · Mathematics · Polynomials · Polynomials

Problem

If

\alpha

,

\beta

, and

\gamma

are the roots of

x^3-x^2-1=0

, then the value of

\displaystyle\sum\frac{1+\alpha}{1-\alpha}

is (1)

-7

(2)

-6

(3)

-5

(4)

-4

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