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## Homework Statement

Integrate the function e^(-x^2) with definite integrals -infinity to X

## Homework Equations

## The Attempt at a Solution

I know that the indefinite integral of this reduces to sqrt(pi), but don't know what to do with the definite integral. Is this a known result that I can simply plug in and use?What kind of substitution can I try? FYI- this is a variation of the CDF for a normally distributed function...