Grade 11Analytical Geometry
how to find the sum of series ∑infinityx=0 4^(-x) geometrically
how to find the sum of series ∑infinityx=0 4^(-x) geometrically
1 Answer
Badiuddin askIITians.ismu Expert
Dear aruka
∑ 4^(-x) limit 0 to infinity
=1+1/4 + 1/42 + 1/43 +................
this is a G.P series
first term is =1 , and comomon ration =1/4
S=1/(1-1/4)
=4/3
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