need help figuring out what R is for the following power series... summation from 0 to infinity {[(1+5^n)/n!]x^n]}
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Remember that: for all real You can even calculate your sum considering the identity above .
i didnt get how u changed the whole numerator of the summation to sin(k).. it was 1+5^n, n! ... where did 1+5^n go?
Originally Posted by PaulRS Remember that: for all real What do you think that as to do with it posted series? I dare say nothing! Originally Posted by ramzouzy need help figuring out what R is for the following power series... summation from 0 to infinity {[(1+5^n)/n!]x^n]} Have you used either the ratio or the root test?
I suggested: for all real which is the series you wanted I do not see sin (n) there But if you want to do it by the root test you just have to remember that
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