1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Solve exp-[(x-a)/b]dx

  1. Jan 1, 2008 #1
    hi

    Hi i need to know the soln. for the following integral..

    exp-[(x-a)/b]dx....a and b are some numbers...
    thanks
     
  2. jcsd
  3. Jan 1, 2008 #2
    Solve it by substitution if u = (x-a)/b
     
  4. Jan 1, 2008 #3
    So answer would be -b exp[(a-x)/b] + C...
    Is this correct!!!
     
  5. Jan 1, 2008 #4
    This expression doesn't mesh with what you had up earlier. Do you have [itex]e^\frac{x-a}{b}[/itex] or [itex]e^\frac{a-x}{b}[/itex] ?
     
  6. Jan 2, 2008 #5
    hi

    I have e[-(x-a)/b]...
    the soln. is -b*e[(a-x)/b] + C
    i.e., -b*e[-(x-a)/b] + C.
    i think both the soln. are correct!
     
  7. Jan 2, 2008 #6

    Gokul43201

    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member

    Your answer is correct.
     
  8. Jan 2, 2008 #7
    one more

    The soln. for a*exp[-(x-b)^2/(2c^2)] is...
    a*sqrt(2c)exp[-(x-b)^2/(2c^2)].....
    is this correct???
     
  9. Jan 2, 2008 #8

    Gokul43201

    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member

    I don't think so. Indefinite Gaussian integrals do not have closed form expression.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?



Similar Discussions: Solve exp-[(x-a)/b]dx
  1. Solving dy/dx=x-y (Replies: 4)

  2. Solve ∫e^(-x^2)dx (Replies: 5)

  3. Solve dx/y = dy/x (Replies: 11)

Loading...