JEE MATHEMATICS MCQ: THEORY OF EQUATION

1 Easy

1 of 1

Application +4 | -1

If the sum of two of the roots of

{x^3} + p{x^2} - qx + r = 0

is zero, then

pq

is equal to

View answer and explanation

Correct option: A

- r

Option A (

-r

) is correct because, given the sum of two roots is zero,

pq

simplifies to

-r

using Vieta's formulas.

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