Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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**Daniel123****Member**- Registered: 2007-05-23
- Posts: 663

Could someone give me a hint please?

Thanks.

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**Daniel123****Member**- Registered: 2007-05-23
- Posts: 663

Don't worry, I got it.

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**Ricky****Moderator**- Registered: 2005-12-04
- Posts: 3,791

Did you use induction with integration by parts? I haven't tried working it at all, but that's how these questions typically go.

"In the real world, this would be a problem. But in mathematics, we can just define a place where this problem doesn't exist. So we'll go ahead and do that now..."

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**Daniel123****Member**- Registered: 2007-05-23
- Posts: 663

I wrote:

, which I then integrated by parts (twice).I also had to spot to rewrite

as in the middle.Offline

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