I try to evaluate this two integrals, but I don't know how to proceed:
i) $\int \sqrt{x\sqrt{2x}} dx = \int {2^{\frac{1}{4}}\cdot x^{\frac{3}{4}}}$
ii) $ \int 3^x e^x dx$
What's the best way to evaluate them? Substitution or Intergration by parts?
Any hints are appreciated.