On one of my calculus lectures I've seen the lecturer write:
$$(1+p)^n=1+np+\frac{n(n-1)}{2}p^2+\cdots+p^n$$
Could you please explain to me how did he get this equation?
Thank you very much.
On one of my calculus lectures I've seen the lecturer write:
$$(1+p)^n=1+np+\frac{n(n-1)}{2}p^2+\cdots+p^n$$
Could you please explain to me how did he get this equation?
Thank you very much.