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find-lim-x-gt-0-1-sinx-1-x-




Question Number 27789 by abdo imad last updated on 14/Jan/18
find  lim_(x−>0) (1+sinx)^(1/x)   .
findlimx>0(1+sinx)1x.
Commented by abdo imad last updated on 15/Jan/18
we have (1+sinx)^(1/x)  = e^((1/x)ln(1+sinx))   but   for x∈V(0)  sinx∼x and  ln(1+sinx)∼ln(1+x)∼x⇒  ((ln(1+sinx))/x) ∼1⇒  lim_(x−>0)  (1+sinx)^(1/x) =e .
wehave(1+sinx)1x=e1xln(1+sinx)butforxV(0)sinxxandln(1+sinx)ln(1+x)xln(1+sinx)x1limx>0(1+sinx)1x=e.
Commented by prakash jain last updated on 16/Jan/18
thanks. your question and solution  are great learning experience
thanks.yourquestionandsolutionaregreatlearningexperience
Commented by abdo imad last updated on 16/Jan/18
thsnk you friend  prakash...
thsnkyoufriendprakash

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