2 Ways to Solve xy+yz+zx-xyz=2,Simplify: (xy-yz)(xy+yz)+(yz+zx)(yz-zx)+(zx+xy)(zx-xy).,JACOBIAN If u=yz/x v=zx/y w=xy/z Find d(u,v,w)/d(x,y,z),How to draw a triangle XYZ in which ∠Y=30°,∠Z=90° and XY+YZ+ZX=11 cm.shsirclasses. - YouTube,Prove u = x + y + z, v = xy + yz + zx, w = x^2 + y^2 + z^2 are dependent. Find the relation | Tamil