For the quadratic expression to be a perfect square trinomial

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

Problem

For the quadratic expression

x^2+bx+c

to be a perfect square trinomial, which of the following relations between

b

and

c

must hold? (a)

c=b^2

(b)

c=2b

(c)

c=\left(\dfrac{b}{2}\right)^2

(d)

c=\dfrac{b}{2}