antiderivatives
100

(3x^2+6x^4) dx

x^3 + 6/5^x5 +C

200

∫(−24/x^5+10x^4)dx

6/x^4+2x^5+C

300

∫(4x^2+1)^2dx

16/5 x^5+8/3x^3+x+C

400

∫9x^3+x^4 -8x^2/2 dx

5x^5+9x^4/4 −4/3x^3+C

500

∫9/3x^4−4x^3+x dx

3x^5/5−x^4+X^2/2+C