John W Kennedy wrote: > > On Oct 4, 2008, at 6:04 PM, Robert Holtzman wrote: > >> On Sat, 4 Oct 2008, John W Kennedy wrote: >> >>> >>> On Oct 4, 2008, at 10:48 AM, Robert Holtzman wrote: >>> >>>> My memory may be slipping but I remember it as anything to the zero >>>> power equal zero. >>> >>> >>> No. >>> >>> x^1 is x. >>> >>> x^-1 is 1/x, except for x=0, which is illegal. >>> >>> x^(1 + -1) is x * 1/x, which is 1, except for x=0, which is illegal. >>> >>> 0^0 is illegal. Otherwise, x^0 is 1. >> >> Damn! I've been retired too long and I'm losing it. You're right >> about x^0 of course but your example of x^(1 + -1) doesn't look >> right. x^(1 + -1) reduces to x^0 not x * 1/x. > > Have you also forgotten how logarithms work? > Are those anything like Al Gore rithms? ;-)
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