Turunan f(x)=x+5per2x-3,x=3per2

f(x) = (x + 5) / (2x - 3)

u = x + 5
u' = 1

v = 2x - 3
v' = 2

f'(x) = u'v - uv' / v²
= ( 1(2x - 3) - (x+5)2) / (2x - 3)²
= (2x - 3 - 2x - 10) / (2x-3)²
= - 13/(2x-3)²