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Lim x→0 e x - e -x - 2x / x - sinx x is equal to ???

Limx→0  ex - e-x - 2x / x - sinx x  is equal to ???

Grade:Upto college level

1 Answers

Simran Bhatia
348 Points
13 years ago

Dear mainak,

Using L hospital rule you can obtain the following equation :

 

    Lim x = 0         :     ( ex - e-x )/sinx ;

  now again apply the same rule :

                                   :     ( e+ e-x )/cosx

 The result is 2

 

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