Math Chapter Wise question with answer

Q01 If i 1 = − = − and n is positive integer, then n n 1 n 2 n 3 i i i i + + + + + + + + + + + + + + + + + + + + + + +... English · JDD-75-PGT TIER II-X-15 28.06.2015 Q02 If complex numbers 1 2 Z,Z and 3 Z are vertices of an equilateral triangle, then 1 2 2 2 2 3 Z Z Z + + + + is equal... English · Rajasthan TGT 2011 Q03 If w is an imaginary cube root of unity and x=a+b, y=aw+bw2, z=aw2 +bw, then x3 +y3 +z3 is equal to English · UP PCS (Pre) 2007 Q04 If z1 and z2 are two complex numbers, then which one of the following is not true? English · KVS PGT 2023 Q05 If ω (≠ 1) is a cube root of unity and () ω 7 1+ = A +B then the value of A2 + B2 is– English · UP PGT 2021 Q06 If sinx icos2x + + and cosx isin2x − − are conjugate to each other, then: English · KVS PGT 23-12-2018