Which of the following sets gives the roots of the equation ?

MATHEMATICS · Single correct · CBSE · Mathematics · Quadratic Equations · Quadratic Equations

Problem

Which of the following sets gives the roots of the equation

4x^{2}+12x+5=0

? (a)

\left\{-5,\,-2\right\}

(b)

\left\{\dfrac{5}{2},\,\dfrac{1}{2}\right\}

(c)

\left\{-\dfrac{5}{2},\,-\dfrac{1}{2}\right\}

(d)

\left\{-1,\,-\dfrac{5}{4}\right\}