hasil dari ∫4x³(x^4 - a )² dx adlaah

Integral


∫ 4x³ ( x⁴ - a )² dx

u = x⁴ - a
du/dx = 4x³
du = 4x³ dx

<=>

∫ u² du
=( 1/(2+1) ) u(2+1) + C
= ⅓ u³ + C
= ⅓ (x⁴ - a)³ + C