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Discriminant

Find discrimi...

Question

Find discriminant of $5 x^{2} + 2 x + 1 = 0$

A

- 13

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B

12

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C

- 16

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D

14

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Solution

The correct option is C $- 16$
The discriminant $D = b^{2} - 4 a c = 4 - 4 (5) (1) = - 16$

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