sum (1+2^j)3^j, j=1..infinity determine whether the series convergent or divergent, and find its sum how do you find the limit of this?
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Originally Posted by justin016 sum (1+2^j)3^j, j=1..infinity determine whether the series convergent or divergent, and find its sum how do you find the limit of this? Note that Now what kind of series are those? And what can you say about them?
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