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Ex 9.1, 8 - Chapter 9 Class 11 Sequences and Series (Term 1)

Last updated at May 29, 2018 by

Ex 9.1, 8 - Find 7th term where nth term is an = n2/2n - Ex 9.1

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Ex9.1 , 8 Find the 7th term in the following sequence whose nth term is an =" " n2/2n We need to find a7 an =" " n2/2n putting n = 7 a7 =" " 72/27 = (7 7)/(2 2 2 2 2 2 2) = 49/128 Hence the 7th term is 49/128

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