if u=sin^-1 ((x^2+y^2)/(x+y)) then show that x (du/dx) +y (du/dy) = tanx Answer :... Mathematics-1 Question Answer Collection & Notes

Mathematics-1

Q.25: if u=sin^-1 ((x^2+y^2)/(x+y)) then show that x (du/dx) +y (du/dy) = tanx

Answer:

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