Consider the quadratic equation

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

Problem

x^2 + 2mx + 5 = 0

. Which inequality involving

m

ensures that the equation has no real roots? (a)

m^{2} > 5

(b)

m^{2} < 5

(c)

m > \sqrt{5}

(d)

m^{2} = 5