infinity equation,,,,help!

cgoplin · March 12th 2008, 07:05 PM

don't know how to show this equation on screen E smallx2 right hand corner then space dx +infinity symbol on top - infinity symbol on bottom with two fishhooks? oposing what is it? please help!

**TheEmptySet** · March 12th 2008, 07:11 PM

Originally Posted by cgoplin

don't know how to show this equation on screen E smallx2 right hand corner then space dx +infinity symbol on top - infinity symbol on bottom with two fishhooks? oposing what is it? please help!

$\int_{\gamma-i \infty}^{\gamma+i \infty}f(z)dz$

If this is the case it is called a contour integral. It requires the use of complex variables.

**ThePerfectHacker** · March 12th 2008, 07:36 PM

Fishhooks

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