Asked by lene
can anybody show me step by step?
Find the sum.
(a) 1/3+ 2/3^2+ 2^2/3^3+ 2^3/3^4+.......... + 2^9/3^10
S10 =
(b) 1 + 1/2^1/2+ 1/2+ 1/2^3/2+
S =
Find the sum.
(a) 1/3+ 2/3^2+ 2^2/3^3+ 2^3/3^4+.......... + 2^9/3^10
S10 =
(b) 1 + 1/2^1/2+ 1/2+ 1/2^3/2+
S =
Answers
Answered by
Damon
first term = 1/3
term(n+1) = (2/3) term(n)
geometric sequence with a = 1/3 and r = 2/3
look here: http://www.mathsisfun.com/algebra/sequences-sums-geometric.html
term(n+1) = (2/3) term(n)
geometric sequence with a = 1/3 and r = 2/3
look here: http://www.mathsisfun.com/algebra/sequences-sums-geometric.html
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