Please refresh my memory on exponential stuff  TOPIC_SOLVED

Limits, differentiation, related rates, integration, trig integrals, etc.

Please refresh my memory on exponential stuff

Postby triplesports17 on Fri Feb 13, 2009 6:09 am

If i am taking the dot product of for example < e^(x) , sqrt(2) , -e^(-x) > DOT < e^(x) , 0 , e^(-x) >

when i am multiplying the e^x terms do they become 2e^x or do they become e^(2x)... I cannot remember.

Thanks
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Re: Please refresh my memory on exponential stuff  TOPIC_SOLVED

Postby DAiv on Fri Feb 13, 2009 11:14 am

triplesports17 wrote:when i am multiplying the e^x terms do they become 2e^x or do they become e^(2x)... I cannot remember.






If you're unsure in future, try an example with actual numbers:




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