Jika f(x) = (x2 + 1) / (x -1) maka f'(x) =

Turunan.

f(x) = u / v → f'(x) = (u'v - uv') / v²

f(x) = (x² + 1) / (x - 1)
f'(x) = [2x (x - 1) - (x² + 1)(1)] / (x - 1)²
       = (x² - 2x - 1) / (x² - 2x + 1)