Tuesday 7 January 2020

summation - Evaluate $sumlimits_{k=1}^{n} frac{k}{2^k}$

Evaluate $$\sum\limits_{k=1}^{n} \frac{k}{2^k}$$

-

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)

real analysis - How to find $lim_{hrightarrow 0}frac{sin(ha)}{h}$

How to find $\lim_{h\rightarrow 0}\frac{\sin(ha)}{h}$ without lhopital rule? I know when I use lhopital I easy get $$ \lim_{h\rightarrow 0}...