In the factorisation of the quadratic trinomial

MATHEMATICS · Single correct · CBSE · Mathematics · Polynomials · Polynomials

Problem

In the factorisation

(x+m)(x+n)

of the quadratic trinomial

x^{2}+bx+c

, which relation between

m

n

and

b

is always true? (a)

m-n=b \text{ and } mn=c

(b)

m+n=c \text{ and } mn=b

(c)

m+n=b \text{ and } mn=c

(d)

m+n=-b \text{ and } mn=c