Question

For what value(s) of 'a' quadratic equation 30 ax2 - 6x + 1 = 0 has no real
roots?​

Answer 1

→ Discriminant = (-6)² - 4 (30 a) (1) < 0

→ (-6)² - 4 (30 a) (1) < 0

→ 36 - 120 a < 0

→ 36 < 120 a

→ 120 a > 36

→ a > 36 / 120

→ a > 3 / 10