I need help with these two problems please, and please answer all parts and make it legible.

Draw a branch diagram, and write a chain rule formula for ZZ, where v: k(p,q), p = 9(5), q = h(s). Choose the oorrem branch diagram below. 0 A. O B. v=k(p,q) p(p,q) dz oz Draw a branch diagram, and write a chain rule formula for du and , where z = f(r,s,t), r= g(u,v), s = k(u,v), and t= h(u,v). . . . . . oz Choose the correct branch diagram for O c. O B. O A. z=f(r,s,t) z=f(r,s,t) z=f(r,s,t) 8z az ar oz S at Au av