How would you go about deducing this? E^X=4-3E^-X Any help would be awesome, thanks
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Hi, Do you need to find the value of x?
Hello, Originally Posted by Mathsnewbie How would you go about deducing this? E^X=4-3E^-X Any help would be awesome, thanks $\displaystyle e^x=4-3e^{-x}$ multiply both sides by $\displaystyle e^x$ : $\displaystyle (e^x)^2=4e^x-3$ $\displaystyle (e^x)^2-4e^x+3=0$ this is a quadratic with $\displaystyle X=e^x$
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