Q2 of 227 Page 105

Solve the following quadratic equations using quadratic formula.
3a²x² – ax –2b² = 0

3a²x² – abx – 2b² = 0

⇒ a = 3a² , b = –ab and c = –2b²

(–ab)²– 4 (3a²) (–2b²)

= a²b² + 24a²b²

=25a²b²

Solve the following quadratic equations using quadratic formula.

15x² – 11x + 2 = 0

Solve the following quadratic equations using quadratic formula.

a (x² + 1) = x (a² + 1)

Solve the following quadratic equations using quadratic formula.

36x² – 12ax + (a² – b²) = 0

Solve the following quadratic equations using quadratic formula.3a2x2 – ax –2b2 = 0