Mathematics, 08.01.2020 08:31, Theyoungin420
The first terms of an infinite geometric sequence, un are 2, 6, 18, the first terms of a second infinite geometric sequence, vn are 2, -6, 18, - the terms of a third sequence wn are defined as wn = un + vn
1. the finite series, summation: upper limit= 225, lower limit k=1, formula wk
can also be written in the form summation: upper limit= m, lower limit k=0, formula 4r^k.
find the value of r.
2. find the value of m
Answers: 1
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The first terms of an infinite geometric sequence, un are 2, 6, 18, the first terms of a second inf...
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