∫ atas 2 bawah -1 (x^2-4 )(x+3)dx

jawab
₋₁²∫(x²-4)(x +3) dx = ₋₁² ∫x³ + 3x² - 4x  -12 dx

= 1/4 x⁴ + x³ - 2x² - 12x ]²₋₁

= 1/4 (16-1) + (8+1) - 2(4-1) -12(2+1)

= 15/4 + 9 - 6 - 36

= - 29 ¹/₄