# Complex Variables

## Homework Statement

Determine the set on which f(z) = 1/(z^3 +1) is analytic and compute its derivative.

## Homework Equations

Hint: you do not need to appeal to the Cauchy-Riemann equations

## The Attempt at a Solution

Total stuck with this one. everything we have done this far has been using the c-r equations.

Thanks for any input.

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2) When can you treat taking a derivative of a complex function $\frac{df(z)}{dz}$ just like taking a derivative of a real function?