August 2022 1 23 Report
(d^2*z/d*x*d*y)+y((d*z/(d*x)+x(d*z/d*y)+x*y*z=0

z=х*e^-(х^2+y^2/2)

Проверить удовлетворяет ли функция дифференциальному уравнению
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