If `u (x,y) =x ^(2) + 2xy-y ^(2)` then `(del u)/(del x) + (delu)/(del y) ` is:

Similar Questions

Explore conceptually related problems

If u=(x-y)^(2) , then (del u)/(del x) + (del u)/(del y) is

If u(x,y) =e^(x^(2) + y^(2)) , then (del u)/(del x) is equal to

If u=x^y then find (del u)/(del x) and (del u)/(del y) .

If v(x,y) = log (e^(x) + e^(y)) , then (del v)/(del x) + (del v)/(del y) is equal to

If u = log ((x ^(2) y + y ^(2) x)/(xy)) then x (del u)/( del x) + y (del u)/(del y)=

If u (x,y) = (x ^(2))/( y)- (2y ^(2))/(x) then (del^(2) u)/(del x dely) - (del ^(2) u)/(dely delx) is :

If u=log (x^(3) + y^(3) +z^(3) - 3xyz) , then (del u)/(del x) + (del u)/(del y) + (del u)/(del z)=