I can't figure out this one
Find the Indicated sum
∑Infinityi=1(−25)i−1
the exponet is soppose to be i-1
Thank you for your help!!
Hi BlueFire28, it is nice to meet you :)
I can't figure out this one
Find the Indicated sum
the exponet is soppose to be i-1
Thank you for your help!!
∑∞i=1(−25)i−1 1+−25+425+…This is the sum of a GP and it has a limit since r=-2/5 and |r|<1S∞=a1−r=11−−0.4=11.4=57so∑∞i=1(−25)i−1=57
Hi BlueFire28, it is nice to meet you :)
I can't figure out this one
Find the Indicated sum
the exponet is soppose to be i-1
Thank you for your help!!
∑∞i=1(−25)i−1 1+−25+425+…This is the sum of a GP and it has a limit since r=-2/5 and |r|<1S∞=a1−r=11−−0.4=11.4=57so∑∞i=1(−25)i−1=57