Evaluate the following limits and give a brief justification for each answer. Show all necessary steps.
a. (a) x→0lim(2ex+sinx)
b. (b) x→π/6lim(3cosx−2sinx)
c. (c) For g(x)=ln(5x−1), compute x→1limg(x) and interpret the result in terms of the behaviour of g near x=1.