I don’t know how to do this packet.

Find the power series expantion of f(z)=log(4=3z) at the point z=-1

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

Need this asap if anyone can i would be very grateful. if you could show workings that would really