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Limit of an exponent when it goes to infinity

  • Thread starter RyozKidz
  • Start date
  • #1
26
0
how this thing works ?

integration of e to the power of (-x) from 0 to infinity

sorry , not good in using the symbols ..^.^ ~
 

Answers and Replies

  • #2
93
0
Hi
Do you know what the primitive of e^{-x} is ?
 
  • #3
54
0
First integrate it, then you get [-e-x] from 0 to infinity.

The key is to find the limit as x approaches infinity of (-e-x).

(Hint: Put in a very large negative value for x and see what you get.)
 
  • #4
26
0
sorry ..~ i missed out the negative ..~
now i know already ..~ tq tq ...
 

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