Hello everyone,

I have a problem with my  code, breif this is the equation that I want to solve 

x^2*(diff(y(x), x, x))+50*x*(diff(y(x), x))-35*y(x) = (1-exp(x+1))/(x+1)+(x^2+50*x-35)*exp(x)+int(exp(xt)*y(t), t = 0 .. 1), x = 0 .. 1

but the problem is that I don't know how to code the integral please guys help me