Using summation notation to express the sum of a geometric series

[@H7Hstudios]

3:28 2*(-1/4)^2 comes out to be a positive 1/8 negative squared is always positive :D

[@brianmclogan]

+Hamza Kebbati yep, thank you! I made the correction on my video, appreciate it

[@H7Hstudios]

anytime!

[@HalifaxHercules]

If an exponent is even, the result is always positive. If an exponent is odd and the base is negative, the result will be negative.

[@dionetee4406]

Thanks for the videos ... they clarify some confusions I have :) ..

[@michaelappiagyei5691]

what happens if the two terms arent equal

[@hughjassole7600]

thank you for the lesson hopefully you get more subscribers so you can start making some serious money off of youtube. good luck

[@brianmclogan]

working on it, appreciate it

[@Tiverse]

Hey you have a nice name

[@makaleighdonges2497]

why is r -1/2 shouldn't it be -1/4 or am i missing something

[@brianmclogan]

yes you are correct

[@makaleighdonges2497]

Brian McLogan oh i didn't hear someone correct you right after, i'm sorry. thank you so much for being a lifesaver this year. i love yoy

[@makaleighdonges2497]

you* and i wish you were my teacher

[@brianmclogan]

appreciate that, here to help, keep up the hard work