root problem's
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root problem's
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To: CALC-TI@LISTS.PPP.TI.COM
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Subject: root problem's
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From: "Thomas Paetzold (Tel Paetzold)" <Thomas.Paetzold@T-MOBIL.DE>
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Date: Tue, 27 Jan 1998 07:13:04 +0000
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Reply-To: "Thomas Paetzold (Tel Paetzold)" <Thomas.Paetzold@T-MOBIL.DE>
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Hi there!
Does anybody know why (-x)^(2/3) is not the same as ( 3rd root of (-x)^2) on
the TI 85 and is the same (but wrong) on the TI 86 ?
The point is : why can you plott (and solve) root's of (-x) in real ? I
thought it is only in comlex numbering system defined ???
/Thx Tom