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 2009-03-22 23:39:09
- Identity
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- Registered: 2007-04-18
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Please help
You could....
Or you could....
Is this correct? It seems quite bizarre to me !
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#2 2009-03-22 23:57:47
- JaneFairfax
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Re: Please help
In the first case,
.In the second case,
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#3 2009-03-23 00:09:17
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Re: Please help
Ah, so the second case introduces extraneous solutions?
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#4 2009-03-23 00:10:58
- JaneFairfax
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Re: Please help
Yes.
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#5 2009-03-23 23:15:12
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Re: Please help
Thanks Jane 
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