Question

Find the derivative of the function.
y=(cos(x-1))/(x-1)

Answer 1

use quotient rule
\[\Large \frac{{\frac{d}{dx}(\cos(x-1)*(x-1)-\frac{d}{dx}(x-1)*\cos(x-1)}}{(x-1)^2}\]

Answer 2

can you do this now ?

Answer 3

yes, thank you.

Answer 4

welcome:)