integral (3x²-1)² dx (jawab beserta penjelasannya yaa tolong)

(3x² - 1)² dx
jabarin dulu
(9x⁴ - 6x² + 1) dx
baru integralkan
(9/(4+1))x^(4+1) - (6/(2+1))x^(2+1) + 1x + C
(9/5) x^5 - 2x^3 + x + C
^ tanda pangkat