Jawab:
₋₁∫¹x²(x – 6)dx = ₋₁∫¹(x³ – 6x²)dx
= 1 x⁴ – 2x³ ]¹
4 ⁻¹
= (1/4 – 2)-(1/4 + 2)
= -2 – 2
= -4