In the integral
integral(1,infinity) e^(-sqrt(x)) / sqrt(x)
STEP 1:
I let u = -sqrt(x)
du = -1/(2sqrt(x))
then my lower bound u = -1
then my upper bound u = -infinity
-2 integral(-1,infinity) e^u du
I would then switch the order of the integration bounds and multiply by -1My question is...