Question

The quadratic equation 3 2 + 4√3 + 4 =0 has (a) two distinct real roots (b) two equal real roots ( c) no real roots (d) more than 2 real roots​

Answer 1

Step-by-step explanation:

Correct option is

C

no real roots

Given equation is 2x

2

−

5

x+1=0

On comparing with ax

2

+bx+c=0 we get

a=2,b=−

5

and c=1

D=b

2

−4ac

=(−

5

)

2

−4×2×1=5−8

∴ Discriminant =−3<0

Since, discriminant is negative ∴ quadratic equation 2x

2

−

5

x+1=0 has no real roots . i.e, imaginary roots.