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## Homework Statement

There is a power series

[tex]\infty[/tex]

[tex]\sum[/tex]b_k.z^k

n=0

such that

[tex]\infty[/tex]

(exp(z) - 1)[tex]\sum[/tex]b_k.z^k = z

n=0

the infinity and n=0 are meant to be over the sigma, sorry

Find b_k for k = 0,1,...,7

## Homework Equations

## The Attempt at a Solution

Hi, I'm just wondering - do you think that that n in the sum is meant to be a k? If not, what is n?

Does the question want me to solve for eight individual cases, or does it want me to sum to 7 instead of to infinity?

Thanks for any help