3) An infinite geometric sequence, with terms un, is such that u₁ = 2 and Σk=1 uk a) Find the common ratio, r, for the sequence. b) Find the least value of n, such that un = 10.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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3) An infinite geometric sequence, with terms un, is such that u₁ = 2 and 2k-1 Uk = 10.
a) Find the common ratio, r, for the sequence.
b) Find the least value of n, such that un <=
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Transcribed Image Text:3) An infinite geometric sequence, with terms un, is such that u₁ = 2 and 2k-1 Uk = 10. a) Find the common ratio, r, for the sequence. b) Find the least value of n, such that un <= </
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