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Discriminant

The discrimin...

Question

The discriminant of the quadratic equation $2 x^{2} - 4 x + 3 = 0$ is

A

2

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B

- 10

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C

- 8

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D

0

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Solution

The correct option is C $- 8$
Given quadratic equation
$2 x^{2} - 4 x + 3 = 0$
Comparing with $a x^{2} + b x + c = 0$
$a = 2, b = - 4, c = 3$
$D = b^{2} - 4 a c \Rightarrow D = (- 4)^{2} - 4 \times 2 \times 3 = - 8$

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