Prove that the p.f. of the negative binomial distribution can be written in the following alternative form:

Question:

Prove that the p.f. of the negative binomial can be written in the following alternative form:

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...