A-Level Maths: D5-02 Geometric Sequences: Finding the nth term

[@Mathspaperks1ks2]

Great a level vids!!

[@stevebower1393]

keep up the good work my friend. IF you are so good at maths answer me this. If we were to order 2 cocktails at a bar, and you were to have one of them. How many would be left? To get this answer we would have to be less theoetical and treat it more as a practical experiment.

[@TLMaths]

I never said I was THAT good at maths

[@s4hlj]

@@TLMaths You are the best

[@onimoney]

So we leave the answer like that ? Un =20^n-1, for example

[@TLMaths]

Yep