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? asked in Science & MathematicsMathematics · 9 years ago

Maple14 Integration tutor help?

I'm using Maple14 and i'm using the Integration Methods Tutor under

Tools > Tutor > Calculous - Single Variable > Integration Methods

I am trying to integrate e^(-x^2) from -∞ to ∞ but every time I try to use (-)infinity as my bounds it says that i need a number.

Is there some way around this?

I know the answer is sqrt(pi) but i need to know the steps in getting the answer.

Thanks!

Update:

really? thats a bummer! Is there another place that can show the steps?

and when i do the calculation on worksheet it gives me sqrt(pi)…

2 Answers

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  • ?
    Lv 5
    9 years ago
    Favorite Answer

    A = (0 to infinity)∫e^(-x^2)dx = sqrt(pi) / 2

    B = (- infinity to 0)∫e^(-x^2)dx = sqrt(pi) / 2

    (-infinity to infinity)∫e^(-x^2)dx = A + B = sqrt(pi)

  • cakesmckakes
    Lv 4
    9 years ago

    Maple can't do improper integrals. And the value is sqrt(pi)/2

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