Hasil dari integral (x^2-1) cos x dx=...

InTegraL Parsial

turunan.....integral
x² - 1 ........... cos x
2x ............... sin x
2 ................. - cos x
0 ................. - sin x

∫(x² - 1) cos x dx
= (x² - 1) sin x + 2x cos x - 2 sin x + C
= (x² - 1 - 2) sin x+ 2x cos x + C
= (x² - 3) + 2x cos x + C

Opsi C