2x+5x3-x2+2x-2dx 2x+5x-1x2+2dx 73x-1-7x+13x2+2 731x-1dx-137x+1x2+2dx 1x-1dx u=x-1,dudx=1, dx=du 1udu=lnu=>lnx-1=>7lnx-13

2x+5x3-x2+2x-2dx
2x+5x-1x2+2dx
73x-1-7x+13x2+2
731x-1dx-137x+1x2+2dx
1x-1dx
u=x-1,dudx=1, dx=du
1udu=lnu=>lnx-1=>7lnx-13 (Решение → 687)

2x+5x3-x2+2x-2dx 2x+5x-1x2+2dx 73x-1-7x+13x2+2 731x-1dx-137x+1x2+2dx 1x-1dx u=x-1,dudx=1, dx=du 1udu=lnu=>lnx-1=>7lnx-13



2x+5x3-x2+2x-2dx
2x+5x-1x2+2dx
73x-1-7x+13x2+2
731x-1dx-137x+1x2+2dx
1x-1dx
u=x-1,dudx=1, dx=du
1udu=lnu=>lnx-1=>7lnx-13 (Решение → 687)

7x+1x2+2dx 7xx2+2dx+1x2+2dx xx2+2dx u=x2+2,dudx=2x, dx=12xdu 121udu=lnu2=>lnx2+22 1x2+2dx u=x2=>dudx=12=>dx=2du 22u2+2du 121u2+1du 1u2+1du=>arctgu2=>arctgx22 Ответ: -7lnx2+26-arctgx232+7lnx-13+С