1. ∫(4x³+4x-3)dx= 4∫x³dx+4∫xdx-3∫dx=x⁴+2*x²-3x
∫2x⁻²dx-∫4x^1/2dx+3∫x^2/3dx=-2x⁻¹-4*2/3x^3/2+3x³/3=
=-2/x-8/3x^3+3x³/3
2. ∫√2x-3 dx 2x-3=z 2dx=dz dx=dz/2 1/2∫√zdz=1*2/2*3*z^3/2=
=1/3*z^3/2=1/3(2x-3)^3/2
∫x²sin3x³ 3x³=z 9x²dx=dz dx=dz/9x²
∫x²sinzdz/x²=∫sinzdz=-cosz=-cos3x³