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				   What is the use of e? Mention its significance:roots, shoots and heights to which it takes us...


6 years ago

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										Dear srinivas,
e is the unique real number such that the value of the derivative(slope of the tangent line) of the function f(x) = ex at the point x = 0 is equal to 1. The function ex so defined is called the exponential function, and its inverse is the natural logarithm, or logarithm to base e. The number e is also commonly defined as the base of the natural logarithm (using an integral to define the latter), as the limit of a certain sequence , or as the sum of a certain series.

Please feel free to post as many doubts on our discussion forum  as  you can.  We are all  IITians and here to help you in your IIT  JEE preparation.  All the best.
Sagar Singh
B.Tech IIT Delhi


6 years ago

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