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OpenStudy (anonymous):
Again apply L' Hospital's Rule to get 1/2 as the limit.
OpenStudy (anonymous):
how? =(
OpenStudy (anonymous):
expand e^x and see it fall all in place
ans is 1/2
OpenStudy (anonymous):
cant get the answer but i believe you
OpenStudy (anonymous):
lol
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OpenStudy (anonymous):
how exactly did u expand e to x
OpenStudy (anonymous):
The given limit is in its indeterminate form thus we differentiate the numerator and denominator to get 1/2[(e^x - 1)/x] now the limit of [e^x - 1/]x is nothing but 1.
OpenStudy (anonymous):
e^x is expanded by using the Taylor Series.
OpenStudy (anonymous):
That is euler series not Taylor
OpenStudy (anonymous):
i didnt know you can just differentiate the numerator and the denominator while the numerator was being subtracted from e^x - 1
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OpenStudy (anonymous):
It is actually Maclaurin series which is a special case of Taylor Series.
OpenStudy (anonymous):
If you want you can actually prove it using cauchy mean valuue theorem
OpenStudy (anonymous):
can someone quickly show me how you get the answer to my other problem under this? thank you