题目
试将函数 ^2-(y)^2-i(xy-x) 写成z的函数 (z=x+-|||-C A. (z)=dfrac ({z)^2}(4)+dfrac (3{z)^2}(4)+dfrac (UND)(2)-dfrac (UND)(2)-|||-C B. (z)=dfrac ({z)^2}(4)-dfrac (3{z)^2}(4)+dfrac (i)(2)-dfrac (overline {w)}(2)-|||-C. (xi )=dfrac ({z)^2}(4)-dfrac (3{z)^2}(4)-dfrac (i)(2)-dfrac (UND)(2)-|||-D. (z)=dfrac ({z)^2}(4)+dfrac (3{z)^2}(4)+dfrac (i)(2)+dfrac (i)(2)
题目解答
答案
将函数x2-y2-i（xy-x）写成z的函数。