Homework 13.6

Last updated over 3 years ago
3 questions
3.33

Evaluate the geometric series
\sum^{9}_{n=1}(4\cdot 3^{n-1})

3.33

Evaluate the geometric series
\sum^{10}_{n=1}(4\cdot (-3)^{n-1})

3.34

Given a_{1}, a_{n} and r, determine S_{n}
a_{1}=4
a_{n}=1024
r=-2