- #1
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Find the value of x so that the series below converge.[/b]
[tex]\sum [/tex] 1/ [(k^x) * (2^k)] (k=1 to [tex]\infty[/tex])
Using ratio test, I 've got
[(1/2) * 1^x] < 1 for all x in R
But when I use different value of x, series converge and diverge!!
Really need your help! Thank you so much
[tex]\sum [/tex] 1/ [(k^x) * (2^k)] (k=1 to [tex]\infty[/tex])
Using ratio test, I 've got
[(1/2) * 1^x] < 1 for all x in R
But when I use different value of x, series converge and diverge!!
Really need your help! Thank you so much