Q23 of 83 Page 90

Discriminant D = ….for the quadratic equation 5x2 — 6x + 1 = 0

We know,

D = b2 – 4ac


Here, a = 5, b = – 6 and c = 1


⇒ D = (– 6)2 – 4(5)(1)


⇒ D = 36 – 20


⇒ D = 16


(B) doesn’t match the solution.


(C) doesn’t match the solution.


(D) doesn’t match the solution.

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