please answer asap ..in matlab pls

Using Newton's method find the approximate solution of the system {x3/2=6y1/333x29y2=1 after 2 iterations. Find the norm z(2)2 if z(n)=(x(n)y(n)). The initial approximation is x(0)=2,y(0)=1. Round the answer to 4 decimal places after the decimal point