SOLUTION: sum of series {{{1/sqrt(3) + 1 + 3/sqrt(3)+.... to 18}}} terms is a.{{{9841(1+sqrt(3))/sqrt(3)}}} b.9841 c.9841/root3 d.none of these

Algebra ->  Sequences-and-series -> SOLUTION: sum of series {{{1/sqrt(3) + 1 + 3/sqrt(3)+.... to 18}}} terms is a.{{{9841(1+sqrt(3))/sqrt(3)}}} b.9841 c.9841/root3 d.none of these      Log On


   

Question 878674: sum of series 1%2Fsqrt%283%29+%2B+1+%2B+3%2Fsqrt%283%29%2B....+to+18 terms is
a.9841%281%2Bsqrt%283%29%29%2Fsqrt%283%29
b.9841
c.9841/root3
d.none of these
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
S=(1/sqrt(3))*(1 - sqrt(3)^18)/(1 - sqrt(3))
a.9841(1+root3)/root3