If `y=xe^(xy)" and "(dy)/(dx)=(y(1+u))/(x(1-u))," then "u=`

If y=xe^(xy) , then (dy)/(dx) =

If y=xe^(xy) , then dy/dx=

If (dy)/(dx)=(x-y+2)/(x-y+1), where u=x-y , then

If y=x^(2)+1" and "u=sqrt(1+x^(2))," then: "(dy)/(dx)=

(dy)/(dx)=sin(x+y)+cos(x+y), where x+y=u

1-(dy)/(dx)=sec(x-y)," where "x-y=u

(x-y)^(2) (dy)/(dx) =a^(2), x -y =u

If y=tan[(1)/(2)cos^-1((1-u^(2))/(1+u^(2)))+(1)/(2)sin^(-1)((2u)/(1+u^(2)))]" and "x=(2u)/(1-u^(2))," then: "(dy)/(dx)=

If y=e^(sin^(-1)x)" and "u=logx," then"(dy)/(du), is

If y=e^(sin^(-1)x)" and "u=logx," then"(dy)/(du), is