Binomial Theorem / Taylor Series Help

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How do I use Binomial Theorem on the function $\ln(-3x + 1)$?

The question requires me to compute a Taylor series for this function and I'm required to use the Binomial Theorem.

I understand how the theorem works and how to compute normal functions with exponents with the Binomial Theorem. However, this function is a little bit different in that it includes an "ln" operation.

Since the base formula for the Binomial Theorem is $(1 + x)^k$, how would I manipulate the "ln" operation so that it becomes an exponent "k"?