F(x) = (2x + 1) ( 2x -1) = x x tentukan berapa nilai f’(x) ?

Penjelasan dengan langkah-langkah:

f(x) = (2x + 1) (2x -1) = 2x(2x – 1) – 1(2x – 1) = 4x² – 2x + 2 x – 1

f(x) = 4x² – 1

f'(x) = 8x