Asked by Reen
solve for x:
a)e^x=5
b) lnx=2
a)e^x=5
b) lnx=2
Answers
Answered by
bobpursley
Take the ln of each side;
x=ln5
take the antiln of each side.
x=e^2
x=ln5
take the antiln of each side.
x=e^2
Answered by
MathMate
These equations can be solved if we understand the relationship between e<sup>x</sup> and log(x).
if e<sup>x</sup> = y, then log(y)=x
and vice versa.
Example:
e<sup>x</sup>=3, then x=ln(3)=1.0986
If ln(x)=4, then x=e<sup>4</sup>=54.598
If you want to post your answers for checking, feel free to do so.
if e<sup>x</sup> = y, then log(y)=x
and vice versa.
Example:
e<sup>x</sup>=3, then x=ln(3)=1.0986
If ln(x)=4, then x=e<sup>4</sup>=54.598
If you want to post your answers for checking, feel free to do so.
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