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 The value of the sum (((()))) 13 n n 1 n 1 i i, + = + ∑ ∑ where (()) i 1 = − = − equals: English · PGT 2002 Q03 The value of i -35 is English · Bihar (TRE 2.0)-2023 Q04 If x2 + 2x + k is a factor of 2x4 + x3 – 14x2 + 5x + 6, then the value of k is: English · EMRS TGT-2023 Q05 The real value of θ for which the expression 3 2i sin 1 2i sin + θ − θ is a real number is: English · KVS PGT 2023 Q06 The least positive integer value, of n, if n 1 + = − i is: English · KVS PGT 2023