Find the sum to infinity to the following series \(3 + 2 + \frac{4}{3} + \frac{8}{9} + \frac{16}{17} + .....\)

Assessment: JAMB UTME - Mathematics - 1992 Subject: General Mathematics

Question 1 Report

Find the sum to infinity to the following series \(3 + 2 + \frac{4}{3} + \frac{8}{9} + \frac{16}{17} + .....\)

Answer Details
3 + 2 +  4 3  +  8 9  +  16 17  + .....
a = 3
r =  2 3
s  α  =  a 1 − r  =  3 1 − 2 3
=  3 1 3
= 3 x 3
= 9

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