Question

Find f'(x).
f(x) = (2x-1)/(6x+5)​

Answer 1

16 / (6x + 5)^2.

Explanation:

Use the Quotient Rule

f'(x) = [ (6x + 5)*2 - (2x - 1)*6 ] / (6x + 5)^2

= (12x + 10 - 12x + 6) / (6x + 5)^2

= 16 / (6x + 5)^2.

Answer 2

f’(x)=(2*(6x+5)-6*(2x-1))/(6x+5)^2