Proof of the change of base formula

A quick proof for the change of base formula for logarithms.

[dishmaster]

I looked this up out of morbid curiosity, because it seemed like such an abstract concept, I was sure I'd regret seeing the proof - but I had to know. This was shockingly simple and easy to understand, thank you so much for the video!

[LeBron]

thank you for making this much easier to understand

[jOFOF]

thank you for making this easier to understand

[glaudemberglucio]

I was missing that part! Ty for the proof