∫(4y3+3y2−y+2)dy=....\int(4y^3+3y^2-y+2)dy=....∫(4y3+3y2−y+2)dy=....
y4+y3−12y2+2y+Cy^{4}+y^{3}-\frac{1}{2}y^{2}+2y+Cy4+y3−21y2+2y+C
y4−y3+12y2+2y+Cy^{4}-y^{3}+\frac{1}{2}y^{2}+2y+Cy4−y3+21y2+2y+C
43y4+32y3−12y2+2y+C\frac{4}{3}y^{4}+\frac{3}{2}y^{3}-\frac{1}{2}y^{2}+2y+C34y4+23y3−21y2+2y+C
43y4+32y3−y2+2y+C\frac{4}{3}y^{4}+\frac{3}{2}y^{3}-y^{2}+2y+C34y4+23y3−y2+2y+C
y4+y3−y2+2y+Cy^{4}+y^{3}-y^{2}+2y+Cy4+y3−y2+2y+C