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 · 11 Apr · Shift 2 · Q26
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Mathematics
  4. /Complex Numbers
  5. /2023 · 11 Apr · Shift 2 · Q26

Complex Numbers question

2023 · 11 Apr · Shift 2 · Q26

JEE MainMathematicsComplex NumbersMCQ+4 / −1
For a∈Ca \in \mathbb{C}a∈C, let A={z∈C:Re⁡(a+zˉ)>Im⁡(aˉ+z)}\mathrm{A}=\{z \in \mathbb{C}: \operatorname{Re}(a+\bar{z}) \gt \operatorname{Im}(\bar{a}+z)\}A={z∈C:Re(a+zˉ)>Im(aˉ+z)} and B={z∈C:Re⁡(a+zˉ)(S1):If\mathrm{B}=\{z \in \mathbb{C}: \operatorname{Re}(a+\bar{z})(S1): IfB={z∈C:Re(a+zˉ)(S1):If\operatorname{Re}(a), \operatorname{Im}(a) > 0 ,thenthesetAcontainsalltherealnumbers(S2):If, then the set A contains all the real numbers (S2) : If,thenthesetAcontainsalltherealnumbers(S2):If\operatorname{Re}(a), \operatorname{Im}(a) < 0$$, then the set B contains all the real numbers,
  1. A
    both are false
  2. B
    only (S1) is true
  3. C
    only (S2) is true
  4. D
    both are true
PreviousNext

More from Complex Numbers

  • Let S={z∈C−{i,2i}:z2−3iz−2z2+8iz−15​∈R}. If α−1113​i∈S,α∈R−{0}, then 242α2 is equal to ​…2023 · Numerical
  • Let C be the circle in the complex plane with centre z0​=21​(1+3i) and radius r=1. Let z1​=1+i and the complex number z2​ be outside the circle C such that ∣z1​−z0​∣∣z2​−z0​∣=1…2023 · MCQ
  • Let w=zzˉ+k1​z+k2​iz+λ(1+i),k1​,k2​∈R. Let Re(w)=0 be the circle C of radius 1 in the first quadrant touching the line y=1 and the y-axis. If the curve Im(w)=0…2023 · Numerical
  • Let S={z∈C:zˉ=i(z2+Re(zˉ))}. Then ∑z∈S​∣z∣2 is equal to :2023 · MCQ
  • If the set {Re(2−3z+5zˉz−zˉ+zzˉ​):z∈C,Re(z)=3} is equal to the interval (α,β], then 24(β−α) is equal to :2023 · MCQ
  • Let p,q∈R and (1−3​i)200=2199(p+iq),i=−1​ then p+q+q2 and p−q+q2 are roots of the equation.2023 · MCQ
  • The value of (1+sin92π​−icos92π​1+sin92π​+icos92π​​)3 is2023 · MCQ
  • Let z1​=2+3i and z2​=3+4i. The set S={z∈C:∣z−z1​∣2−∣z−z2​∣2=∣z1​−z2​∣2} represents a2023 · MCQ