Tentukan turunan dari fungsi berikut F(x)=3 per akar x Mohon dibantu

F(x) = 3/√x

misal :
u = 3
u' = 0
v = √x
v' = 1/(2√x)

f'(x) = (u'v – uv') / v²
= ((0)(√x) – (3)(1/(2√x)) / (√x)²
= (-3/(2√x)) / x
= (-3/(2√x)) / (x.2√x)/(2√x)
= -3/x.2√x
= -3/(2 x^(3/2))