Question

The roots of quadratic equation 5x² – 4x + 5 = 0 are:

Options

• Real and Equal

• Real and Unequal

• Not real

• Non-real and equal

Answer 1

Not real

Explanation:

To find the nature, let us calculate b² – 4ac

b² – 4ac = 4² – 4 × 5 × 5

= 16 – 100

= –84 < 0