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The roots of the equation x^(2) + 5x + 1...

The roots of the equation `x^(2) + 5x + 1 = 0` are

A

`(5+sqrt(21))/(2), (5-sqrt(21))/(2)`

B

`(-5-sqrt(21))/(2), (5+sqrt(21))/(2)`

C

`(-6+sqrt(21))/(2),(-5-sqrt(21))/(2)`

D

`(-5+sqrt(29))/(2),(-5-sqrt(29))/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Apply formula `x = (-b+-sqrt(b^(2) - 4ac))/(2a)`.
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