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Math Forum » Discussions » sci.math.* » sci.math.independent

Topic: Exponentiation and Sign Change
Replies: 8   Last Post: Oct 8, 2012 11:18 PM

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karl

Posts: 213
Registered: 8/11/06
Re: Exponentiation and Sign Change
Posted: Oct 8, 2012 2:16 AM
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Am 04.10.2012 16:42, schrieb Frederick Williams:
> MNM wrote:
>>
>> Greets:
>> I have another easy one.
>>
>> When something 'negative' is exponetiated, does the sign become
>> positive?
>
> A negative number raised to an even power is positive. A negative
> number raised to an odd power is negative.
>
>> Ex:
>> 8-3x -> e^8 + e^(-3x)
>
> ?
>
Are sure.
I would say, the exponention of 8-3x is:

e^(8-3x)=e^8 times e^(-3x)

??

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