Question

Find the discrimination of the following equation 2x
$find the discrimination of the following 2x}^ + x - 4 = 0$
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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

The given quadratic equation is x

2

−2x−4=0, comparing it with ax

2

+bx+c=0

⇒ We get, a=1,b=−2 and c=−4

⇒ D=b

2

−4ac

=(−2)

2

−4(1)(−4)

=4+16

=20

∴ Discriminant of the given quadratic equation is 20.