How to integrate -exp((s^2 - t^2)/2)*(f'(t) - t*f(t)) dt

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SUMMARY

The discussion focuses on the integration of the expression -exp((s^2 - t^2)/2)*(f'(t) - t*f(t)) dt, relevant for solving partial differential equations (PDEs). A user sought clarification on the solution provided by Wolfram Alpha, which was confirmed to be correct. The key takeaway is the application of the product rule for differentiation, which aids in deriving the integrand and subsequently solving the integral.

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  • Knowledge of differentiation, specifically the product rule
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lamba89
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Apply the product rule for differentiation to the solution. This gives you the integrand. If you recognize this then you just need to do the reverse to get the solution.
 
Thanks, I just realized it too
 

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