Question

Determine whether the series $\sum_{k=0}^{\infty} \frac{\sqrt{k}}{\sqrt{k^3 + 1}}$ converges or diverges.

          Determine whether the series $\sum_{k=0}^{\infty} \frac{\sqrt{k}}{\sqrt{k^3 + 1}}$ converges or diverges.
        
Determine whether the series ∑k=0^∞(√(k))/(√(k^3 + 1)) converges or diverges.

Added by Jeremiah Y.

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Calculus: Early Transcendentals
Calculus: Early Transcendentals
James Stewart 8th Edition
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Transcript

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00:01 All right, so here we have our a sub -n is equal to n to the 1 plus 4n cubed plus 1 all over 2 into the 8th, plus n to the 4th, plus 1 % to the 4th, plus 1 % to the 8th.
00:18 So then we consider the expression, a sub n is less than equal to b sub n.
00:22 And we can write b sub n here.
00:24 We can factor out of one half in one half times one over n cubed plus four over n to six, plus one over n to the eighth.
00:31 And then we get that we have p series here.
00:34 So our first p series, one over n cubed is a p series of p is equal to three, right, which is greater than one...
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