Evaluate the indefinite integral ∫(9t8−t2)dt\int (9t^8 - t^2) dt∫(9t8−t2)dt.
t9−13t3+Ct^9 - \frac{1}{3}t^3 + Ct9−31t3+C
9t9−t3+C9t^9 - t^3 + C9t9−t3+C
98t9−12t3+C\frac{9}{8}t^9 - \frac{1}{2}t^3 + C89t9−21t3+C
t7−t+Ct^7 - t + Ct7−t+C