I have 3 questions and NO TIME.

I'll be sucking on one of the exam desks just a few hrs later.

Pls help me coz late studies may bring me just a few points...

1) x²y'' + xy' - y = xlnx maybe about euler

2) y'' – 2y' + y = x-½ ex

3) ty''+(1-2t)y'-2y=0 y(0)=1 , y'(0)=2 Laplace

Pls help me