Which one of the following quadratic equations has both roots as positive integers?

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

Problem

Which one of the following quadratic equations has both roots as positive integers? (a)

x^2 + 5x + 6 = 0

(b)

2x^2 - 7x + 3 = 0

(c)

x^2 - 5x + 6 = 0

(d)

x^2 - 4x + 5 = 0