What is the derivative of log[(x(x+5) ) /((x+6) ⁸) ], given x > 0?
a) (6x+5) /(x(x+5) (x+6) ⁸)
b) (6x+5) /(x(x+6) ⁸)
c) (6x-5) /(x(x+5) (x+6) ⁸)
d) (6x-5) /(x(x+6) ⁸)