tentukan turunan pertama dari fungsi berikut. f(x) x²-2/per 2 f¹(x) =....?

Bab Differensial
Matematika SMA Kelas XI

f(x) = (x² - 2)/2
f(x) = 1/2 x² - 1

f'(x) = 2 . (1/2) x 
f'(x) = x

f(x) = (x^2 - 2)/2
f(x) = (1/2)x^2 - 1
f'(x) = (2 × 1/2)x^(2-1)
f'(x) = x