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

2023 · 25 Jan · Shift 1 · Q35
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Mathematics
  4. /Complex Numbers
  5. /2023 · 25 Jan · Shift 1 · Q35

Complex Numbers question

2023 · 25 Jan · Shift 1 · Q35

JEE MainMathematicsComplex NumbersMCQ+4 / −1
Let z1=2+3i\mathrm{z_1=2+3i}z1​=2+3i and z2=3+4i\mathrm{z_2=3+4i}z2​=3+4i. The set S={z∈C:∣z−z1∣2−∣z−z2∣2=∣z1−z2∣2}\mathrm{S = \left\{ {z \in \mathbb{C}:{{\left| {z - {z_1}} \right|}^2} - {{\left| {z - {z_2}} \right|}^2} = {{\left| {{z_1} - {z_2}} \right|}^2}} \right\}}S={z∈C:∣z−z1​∣2−∣z−z2​∣2=∣z1​−z2​∣2} represents a
  1. A
    hyperbola with the length of the transverse axis 7
  2. B
    hyperbola with eccentricity 2
  3. C
    straight line with the sum of its intercepts on the coordinate axes equals −18-18−18
  4. D
    straight line with the sum of its intercepts on the coordinate axes equals 141414
PreviousNext

More from Complex Numbers

  • Let z be a complex number such that ​z+iz−2i​​=2,ze−i. Then z lies on the circle of radius 2 and centre :2023 · MCQ
  • For two non-zero complex numbers z1​ and z2​, if Re(z1​z2​)=0 and Re(z1​+z2​)=0, then which of the following are possible? A. Im(z1​)>0…2023 · MCQ
  • Let α=8−14i,A={z∈c:z2−(z)2−112iαz−αz​=1} and B={z∈c:∣z+3i∣=4}. Then z∈A∩B∑​(Reolimitsz−Imolimitsz)…2023 · Numerical
  • Let z=1+i and z1​=zˉ(1−z)+z1​1+izˉ​. Then π12​arg(z1​) is equal to ​.2023 · Numerical
  • For all z∈C on the curve C1​:∣z∣=4, let the locus of the point z+z1​ be the curve C2​. Then :2023 · MCQ
  • The complex number z=cos3π​+isin3π​i−1​ is equal to :2023 · MCQ
  • Let A={z∈C:1≤∣z−(1+i)∣≤2} and B={z∈A:∣z−(1−i)∣=1}. Then, B :2022 · MCQ
  • Let S = {z ∈ C : |z − 3|≤ 1 and z(4 + 3i) +z(4 − 3i) ≤ 24}. If α + i β is the point in S which is closest to 4i, then 25(α+β) is equal to ​.2022 · Numerical