Question

find the discriminant of the following equation x​

Answer 1

Answer:

1−x=2x

2

1−x=2x

2

2x

2

+x−1=0

Compare given equation with the general form of quadratic equation, which is ax

2

+bx+c=0

Here, a=2,b=1,c=−1

Discriminant formula :D=b

2

−4ac

=(1)

2

−4×2×−1

D=9