EnglishLT 2018 Q21.If ((()) (())) ((()) u x,y iv x,y, forz 0 f z 0, forz 0 + ≠ = where ((()) 3 3 2 2 x y u x,y, x y − = + (()) 3 3 2 2 x y v x,y x y + = + then (())) ((()) z 0 f z f 0 lim z 0 → − the value of along y=x, will be A1-i B−1 i/2 C1+i D1 i 2 + Show answer Correct answer: 1 i 2 +