Question
How do I find the sum of a geometric series from 2 to infinity of -3/ (4^n) ?
Answers
oobleck
a = -3/4
r = 1/4
S(2..ā) = Sā - S1
r = 1/4
S(2..ā) = Sā - S1
tom
so s=-13/4?
tom
no it should be -1/4