Question

if the roots of the equation x²+bx+c=0 are ½ and 4 find the value of c - b.​

Answer 1

Answer:

Ans: 1

Step-by-step explanation:

Given equation is x

2

−bx+c=0

Let the roots be α and α+1

Therefore, 2α+1=b

⇒α(α+1)=c

Hence, b

2

−4c

=(2α+1)

2

−4α(α+1)

=1