f(x)= x²-3x/x²+2x+1 maka f'(2) adalah....

f(x) = x^2 - 3x^-1 + 2x + 1
f'(x) = 2x - 3x^-2 + 2
f'(x) = 2x - 3/x^2 + 2
f'(2) = 2(2) - 3/(2)^2 + 2
f'(2) = 4 - 3/4 + 2
f'(2) = 27/4