Math, asked by mutturaj25, 1 year ago

which term of series 4,2,1......will be 1/128​

Answers

Answered by sambuzz
0

4, 2, 1 , ...........1/128

common ratio of given GP = 2/4 = 1/2

we know,

where, Tn shows nth term of GP series

a is the first term and n is the number of terms .

2^7 × 4 = 2^(n-1)

2^9 = 2^(n-1)

9 = n -1

n = 10

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