Math Chapter Wise question with answer

Q01 If Z is complex number, then minimum value of Z Z 1 + − + − is– English · JDD-75-PGT TIER II-X-15 28.06.2015 Q02 If |z–2–2i|=1, then the minimum value of |z| is? English · PGT 2004 Q03 If x2 + 2x + k is a factor of 2x4 + x3 – 14x2 + 5x + 6, then the value of k is: English · EMRS TGT-2023 Q04 If ω be a cube root of 1, then what is the value of (1–ω) (1–ω2) (1–ω4) (1–ω5)? English · DSSSB PGT 2021 Q05 If complex numbers a1, a2, a3........ are in G.P. having common ratio r such that ≠ ∑ ∑ n n 2k-1 2k+2 k=1 k=1 a = a... English · UP PGT 2021 Q06 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