Math Chapter Wise question with answer

Q01 If tan [log (x + iy)] = a + ib, where a, b, x and y are real and a2 + b2 ≠ 1, then the value of tan [log(x2 + y2)]... English · PGT 2009 Q02 If the real part of z 1 z i, where z x iy is 1 then the point (x,y) lies on– English · UP PCS (Pre) 1995 Q03 The equation zz 3 = where z x iy and z is the conjugale complex of represents– English · UP PCS (Pre) 1995 Q04 The value of 4n 1 4n 1 i i, 2 where i 1, is– English · SECTION B PGT TIER-I 31.11.2014 Q05 Which of the following is correct where i 1? = − English · PGT 2010 Q06 The value of the sum (((()))) 13 n n 1 n 1 i i, + = + ∑ ∑ where (()) i 1 = − = − equals: English · PGT 2002