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{{Template:Math-h}}
{{Math-h}}
The '''Gaussian integral''' is the integral:
The '''Gaussian integral''' is the integral:
==Derivation==
==Derivation==
First look at the [[Double integral|double integral]]
First look at the [[double integral]]
<math>\int_{-\infty}^{\infty} \int_{-\infty}^{\infty} e^{-x^2-y^2}dxdy.</math>
<math>\int_{-\infty}^{\infty} \int_{-\infty}^{\infty} e^{-x^2-y^2}dxdy.</math>
[[category:mathematics]]
[[Category:Mathematics]]