What is the sum of the series:-
1/10 + 2/10^2 + 3/10^3.......to infinity ?
Anuj K.V. Mishra
15 Years agoGrade 11
1 Answer
SHAIK AASIF AHAMED
11 Years ago
Hello student, Please find the answer to your question below Given series1/10 + 2/10^2 + 3/10^3.......to infinity x + 2x^2 + 3x^3 + 4x^4 + ... where x=1/10=0.1 this series is AGP where r=1/10 and a=1,d=1 =(a/1-r)+(dr/(1-r)2) where a=1,d=1,r=0.1 =1.23456