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Please look at the attached and tell me why the two yellow expressions should not evalaute to the same reult
Have changed it a little look at the attached.
Mike
Your two expressions are not equal. The integral of a constant is NOT just that constant; it's that constant multipled by the variable of integration evaluate at the limits of definite integral. If you multiply your constant that you pulled out, in the first expression, by pi/4, you'll get the same numerical answer.
BTW, you should be using the numerical processor, and not the symbolic processor for definite integrals with numerics limits.
TTFN,
Eden
Forgot my calculus - thanks
The integration of F*r w.r.t theta is NOT F*r, it is F*r times theat evaluated at the integration endpoints. Forgot my calculus