Let r r r and C C C be real numbers. If r r r and − r -r − r are roots of 5 x 3 + C x 2 − 10 x + 9 = 0 5x^3 + Cx^2 - 10x + 9 = 0 5 x 3 + C x 2 − 10 x ...

CAT Medium Polynomials MCQ

Question

Let

r

and

C

be real numbers. If

r

and

-r

are roots of

5x^3 + Cx^2 - 10x + 9 = 0

, then

C

equals:

-\frac{9}{2}

\frac{9}{2}

-4

cat 2022rootssymmetrycoefficientscubic polynomial

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