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

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#1 2007-11-23 05:37:58

Kent
Member
Registered: 2007-11-22
Posts: 3

Improper one

Evaluate

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#2 2007-11-23 08:44:52

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

Re: Improper one

Kent wrote:

Evaluate

The integral can be rewritten as

Substitute

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#3 2007-11-23 09:00:13

mikau
Member
Registered: 2005-08-22
Posts: 1,504

Re: Improper one

are r and θ regarded as constants in this problem? or do they have the relationship x = r cos(θ)?


A logarithm is just a misspelled algorithm.

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