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

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**Krizalid****Member**- Registered: 2007-03-09
- Posts: 51

Let's share nice integrals.

Here's the first one

I'll post a solution later.

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**Krizalid****Member**- Registered: 2007-03-09
- Posts: 51

Okay, here's a solution:

Substitute

The integral becomes to

The conclusion follows.

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Pages: **1**