Please tell me how to solve below questions

For each of the following questions, verify that l'Hopital's Rule applies. Then use l'Hopital's Rule to evaluate the given limit

1)

limx02x2sin(3x)+sin(5x)

2)

limx3x1ex

3)

limxln(x+1)ln(x)

4)

limxln(x2+1)ln(4x5)1

5)

limx02x32xsin(2x)