Integrate z where z=xy
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Joel John
il 16 Mar 2021
Commentato: Rena Berman
il 6 Mag 2021
How to integerate z where z=xy which i will be substituting separately
after integrating i need the answer back to xy not z
eg: integral(-2/z) should be 1/x^2*y^2 where z=x*y
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John D'Errico
il 16 Mar 2021
Why does this seem obvious? Yet, the result that you seem to want is incorrect.
syms z x y
zint = int(-2/z,z)
subs(zint,z,x*y)
And that is because the integral of -2/z is NOT 1/z^2. I think you may be confusing integration and differentiation.
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