x^2- 6ax = - 6a^2 discriminant of the given equation is ..... - Vidyadip

MCQ

$x^2- 6ax = - 6a^2$ discriminant of the given equation is $.....$

A
$ 4 a^2 $
✓
$ 12 a^2 $
C
$ 2 a^2 $
D
$ 6 a^2 $

✓

Answer

Correct option: B.

$ 12 a^2 $

$ x^2-6 a x+6 a^2=0 $
$ D=b^2-4 a c $
$ D=(-6 a)^2-4 \times 1 \times 6 a^2 $
$ D=36 a^2-24 a^2 $
$ D=12 a^2 $

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