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Mahtab ahmad Asked a Question
April 10, 2020 2:14 pmpts 30 pts
  • CSIR NET
  • Mathematical Sciences

Find 15th term of the series 1 - 1/2 + 1/4 - 1/8 ........

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  • Ujjawal vishal Best Answer
    option A Terms of the series are in geometric progression. Here 1st term a = 1 common ratio r = -(1/2) Since, nth term of G.P. =a(r^(n-1)) so, 15 term = 1.((-1/2))^(15-1) =(...
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    Ujjawal vishal
    sometimes silly things happen... keep practising 👍