Question

work out this please........

Answer 1

$\textbf{Answer :}$

The given function is

f (x) = x² - 5x - 6

Now, f'(x) = 2x - 5

To satisfy Rolle's theorem, we must have

f'(x) = 0

or, 2x - 5 = 0

or, 2x = 5

or, x = 5/2

Therefore, $\textbf{Option (b)}$ is correct.

#$\textbf{MarkAsBrainliest}$