Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
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#1 2008-07-15 20:55:07
- tony123
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- Registered: 2007-08-03
- Posts: 229
k_n
If
then prove that
Last edited by tony123 (2008-07-15 22:19:24)
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#2 2008-07-16 00:52:38
- JaneFairfax
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- Registered: 2007-02-23
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Re: k_n
If n is even then
Therefore
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and similarly and substitute into LHS.Easy, isnt it? 
Last edited by JaneFairfax (2008-07-16 00:53:28)
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#3 2008-07-17 02:37:09
- tony123
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- Registered: 2007-08-03
- Posts: 229
Re: k_n
thank you jane
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