What are your thoughts? What have you tried? For instance, you split apart the \(\displaystyle 2^{n-k}\) term into \(\displaystyle 2^n \cdot 2^{-k}\), then recognized that \(\displaystyle 2^n\) is a constant so you pulled it out front of the sum... and then what? Please re-read the Read Before Postinghttps://www.freemathhelp.com/forum/threads/41536-Read-Before-Posting!! thread that's stickied at the top of every subforum, and comply with the rules contained within. Please share with us any and all work you've done on this problem, even the parts you know for sure are wrong. Thank you.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.