turunan pertama dari f(x)= 3x+1 per x-2, x=2

f(x) = 3x +1 x=2
---------
x - 2

3(2) +1
= -----------
2 - 2

6 + 1
= ----------
0

= 7 (maaf kalau salah)

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

mis
u= 3x+ 1
u'= 3
v= x-2
v'= 1
f'(x) = 3(x-2) - 3x+1(1)/ (x-2)²
f'(x) = 3x-6 -3x + 1/(x-2)²
f'(x) = -5/(x-2)²
f'(x) = -5/x²-4x+4


f'(2) = -5/2²-4.2+4
f'(2)= -5/4-8+4
f'(2)= 0