Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Complex Numbers question

2021 · 31 Aug · Shift 1 · Q38
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Mathematics
  4. /Complex Numbers
  5. /2021 · 31 Aug · Shift 1 · Q38

Complex Numbers question

2021 · 31 Aug · Shift 1 · Q38

JEE MainMathematicsComplex NumbersNumerical+4 / −1
A point z moves in the complex plane such that arg⁡(z−2z+2)=π4\arg \left( {{{z - 2} \over {z + 2}}} \right) = {\pi \over 4}arg(z+2z−2​)=4π​, then the minimum value of ∣z−92−2i∣2{\left| {z - 9\sqrt 2 - 2i} \right|^2}​z−92​−2i​2 is equal to ‾\underline{\hspace{2cm}}​.
Numerical answer
PreviousNext

More from Complex Numbers

  • If z is a complex number such that z−1z−i​ is purely imaginary, then the minimum value of | z − (3 + 3i) | is :2021 · MCQ
  • The value of (1+sin92π​−icos92π​1+sin92π​+icos92π​​)3 is :2020 · MCQ
  • The imaginary part of (3+2−54​)21​−(3−2−54​)21​ can be :2020 · MCQ
  • If (1−i1+i​)2m​=(1−i1+i​)3n​=1, (m, n ∈ N) then the greatest common divisor of the least values of m and n is ​ .2020 · Numerical
  • If z1 , z2 are complex numbers such that Re(z1) = |z1 – 1|, Re(z2) = |z2 – 1| , and arg(z1 - z2) = 6π​, then Im(z1 + z2 ) is equal to :2020 · MCQ
  • Let u=z−ki2z+i​, z = x + iy and k > 0. If the curve represented by Re(u) + Im(u) = 1 intersects the y-axis at the points P and Q where PQ = 5, then the value of k is :2020 · MCQ
  • If a and b are real numbers such that (2+α)4=a+bα where α=2−1+i3​​ then a + b is equal to :2020 · MCQ
  • If the four complex numbers z,z,z−2Reolimits(z) and z−2Re(z) represent the vertices of a square of side 4 units in the Argand plane, then ∣z∣ is equal to :2020 · MCQ