- #1
philip041
- 107
- 0
I am meant to get the integral
[tex]
\int^{\infty}_{-\infty}{dxe^{-\alpha^2x^2}}
[/tex]
to equal
[tex] A^2\frac{\sqrt{\pi}}{\alpha} [/tex]
but I get
[tex]
A^2\left[\frac{e^{-\alpha^2x^2}}{\alpha^2}\right]^{\infty}_{-\infty}
[/tex]
which I'm pretty sure doesn't equal much.
Thoughts?
[tex]
\int^{\infty}_{-\infty}{dxe^{-\alpha^2x^2}}
[/tex]
to equal
[tex] A^2\frac{\sqrt{\pi}}{\alpha} [/tex]
but I get
[tex]
A^2\left[\frac{e^{-\alpha^2x^2}}{\alpha^2}\right]^{\infty}_{-\infty}
[/tex]
which I'm pretty sure doesn't equal much.
Thoughts?
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