Question

Would anyone be willing to help me with a pre-cal question? I'll post it below

Answer 1

\[\sum_{n=1}^{\infty} -4(1/3)^n-1\]

Answer 2

a. Write the first four terms of the series
b. Does the series diverge or converge?
c. If the series has a sum, find the sum

Answer 3

@zepdrix

Answer 4

Hi there :)
Is the negative 1 supposed to be in the exponent?
\[\Large\rm \sum_{n=1}^{\infty}-4\left(\frac{1}{3}\right)^{n-1}\]Like this?