Please Help

Forum for the GRE subject test in mathematics.
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fawazshitu
Posts: 4
Joined: Sat Apr 06, 2013 7:49 pm

Please Help

Post by fawazshitu » Fri Apr 26, 2013 7:08 am

∫_(-∞)^∞▒〖Ae^(〖-λ(x-a)〗^2 ) dx=1〗
Solve for A .
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tarheel
Posts: 10
Joined: Wed Sep 26, 2012 4:37 pm

Re: Please Help

Post by tarheel » Fri Apr 26, 2013 4:05 pm

fawazshitu wrote:∫_(-∞)^∞▒〖Ae^(〖-λ(x-a)〗^2 ) dx=1〗
Solve for A .
Do you mean $$\int_{-\infty}^\infty Ae^{-\lambda (x-a)^2} dx = 1$$ or $$\int_{-\infty}^\infty Ae^{\left[-\lambda (x-a)\right]^2} dx = 1$$?
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