Math Chapter Wise question with answer

Q01 If a complex number is given by z=(cosθ, sin θ), then (z-1/z)= English · Jharkhand TGT 2017 Q02 If w is a complex cube root of unity, then 1 + ω + ω2 +... + ω100 is equal to: English · NVS PGT 2022 Q03 If (((()))) ((()) 100 98 3 2 + = + + = + + = + + = + i a ib then 2 2 + a b is equal to? English · PGT 2013 Q04 If 100 z (2 2 3 i) = + = + then (()) Re(z) Im z will be equal to English · PGT 2010 Q05 If ω is a complex cube root of unity then ω100 +ω17 +1 equals: English · UP PCS (Pre) 1999 Q06 If w is an imaginary cube root of unity, then the common roots of the equations z3 + 2z2 + 2z + 1 = 0 and z1985 + z... English · UP PCS (Pre) 2007