Math Chapter Wise question with answer

Q01 The analytic function whose real part is ex cosy is: English · NVS PGT 2022 Q02 If (1 + i tanα)1+itanβ has real values only, then one of them is given by: English · UP PCS (Pre) 1996 Q03 If r r r Z cos isin, 2 2 then Z1.Z2.Z3....∞ ∞ ∞ is equal to: English · UP PCS (Pre) 2003 Q04 The value of 2 2 cosh z sinh z − −: English · TGT 2013 Q05 The function f (z) = |z|2 is English · Bihar (TRE 1.0) -2023 Q06 Match the following: Series Radius of convergence (i) n n 0 nz ∞ = ∑ English · NVS PGT 2022