if u=logx^2+y^2/x+y prove that xdelu by delx + ydelu by dely = 1 || if log x square + y square by x
Автор: BHARSHVA ACADEMY
Загружено: 2022-12-17
Просмотров: 14073
if u=logx^2+y^2/x+y prove that xdelu by delx + ydelu by dely = 1 || if log x square + y square by x
if u =log x⁴+y⁴/x+y. prove that x δ²u/δx²+ yδ²u/ δy²= 3,if x^2+y^2=z^2 hen prove that log(y)(z+x)+log(y)(z-x)=2,if x^2+y^2=z^2 the prove that log(y)(z+x)+log(y)(z-x)=2,if x^2+y^2=z^2 then prove that log(y)(z+x)+log(y)(z-x)=2,if x^2+y^2=z^2 hten prove that log(y)(z+x)+log(y)(z-x)=2,if x^2+y^2=z^2 then proove that log(y)(z+x)+log(y)(z-x)=2,how that xux + yuy + zuz = 2u if u = x^2 + y^2 + z^2,prove that x. delu/delx+y.delu/dely=1/2.sin2u,prove that dydx = yx .
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