tome work Find dw at using magnitue: 1 w = x + y, x= cost, J- sint ) w = x + y 2 y w = = = + 1/ x= cost, J = Sin't, Z=1, at t=3 ) w = (x + y +2), x= cost, J = Sint, 2= 4E, at t=3 t-1 2 w = 2-sinxy, x=t, J=Int, z=e ind at and a tu using at the given points. at the given two different methods, then find its value at the 2 P-L 2-r -) Find dw r at t = x = cost + sind, I= cost - sint, at t=0 U= Find ) W = 4 e^lny, x= In cu cosv), y = u Sinv, at (UV) =(2, 7/4) (u aw > 2 w = xy + yz + xz, X= U+V, J= U-V, Z= UX, ) w = In (x + y + z), x=ue sinu, Jue cosu, z=ue, at (UV)= (-2,0) ind dy, du and Ju two methods, then find their values. 2 akiven points. DZ 7 at t=1 using -given : two different methods, then find its value at (UV) = (1/21) P = x+y+z, % = x_y+zr= x+y=z, at (x), z)=(3, 2, 1) 2 when r=1, S = -1 if w= (x+y+z) , x=r_s y = cos (r+s), 2= sin(r+S) when u=-1 V=2 if w= xy + lnz, x= /u y=u+V Z=cosu ) Find dw when U=V=0 if w= x + Y/xX X = U-2V +1,J= 2U+V-2 DV | Find and 3 when U=0, V=1 if Z= sinxy + xsiny, x= U+V Su av y=uv