Integration bessel function (simple)

lavster
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Can someone confirm that \int J_0(ax)xdx=\frac{J_1(ax)x}{a}? I can only find the solution if J(x) but i want J(ax) so what i did above makes logical sense to me but i can't find it anywhere. thanks
 
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That's alright.
Just let x=t/a and dx=dt/a in order to prove it.
 
excellent - thanks!
 
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