∫上ln2下0(e^x+e^2x)dx
=∫上ln2下0(e^xdx+∫上ln2下0 e^2xdx
=∫上ln2下0(e^xdx+1/2∫上ln2下0 e^2xd2x
=(e^x+1/2*e^2x)上ln2下0
=(2+4/2)-(1+1/2)
=5/2