For the question below, you will need to use Maple syntax for expressions. See examples below. Expression How to enter V1723: $i2+4$2y+x"(2) + 4*X"2*y + sqrt( l 2* x)/(4+5*x"3) 4+5$3 22 +1z3i3i z"2+I*z"33*I Consider the function 11(23, y) : 2m3 + 633912 + 2 :L' 2. 1) Compute and write the expression of 8211. II 62'\". II t _ : . and : I _ 3:112 ' D 3312 ' h] 82v, 82v, .. . 2) Next, compute l : o 83:2 6:92 ' bl 3) The function u is harmonic. Compute an harmonic conjugate 'u and enter the expression in the box below. \"($719) 2 ' 4) Consider now the analytic function f (a: + y) 2 'u, (x, y) + in (as, y) and write f as a function of 2 alone (here a: + g 2 z). f(z):l