I L.9) Go with ffx] = Sianx]. Give a clean formula for the function h[x] dened by h[x] = JIHS] {is . How are x] and [)[h[x],x] related? Is the outcome an accident? Why or why not? I LIB) Go with iey] = Ear-PSSinbr]. Give a clean formula for the function nfigy] dened by u[x= y] = fs: y]ds _ II} How are f[x_.y] and D[n[x=y],x] related? Is the outcome an accident? Why or why not? I L.11) Gowith x: y] = 2211 Cosby] - Give a clean formula for the Jnction m[x=y] dened by m[x= y] = fx: a] {Is _ 'D' How are f[:IL_.y] and D[m[x_.y],y] related? Is the outcome an accident? 'Why or why not? I L . 12) Write down the Gauss-Green formula and say how to use it to calculate [LXI]? dxdy in the case that you have your hands on a convement counterclockwise 2D parameterization {1t[t],}.r[t]}= a it 5 b of the boundary of R