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

2019 · Shift 1 · Q33
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Advanced
  3. /Mathematics
  4. /Complex Numbers
  5. /2019 · Shift 1 · Q33

Complex Numbers question

2019 · Shift 1 · Q33

JEE AdvancedMathematicsComplex NumbersNumerical+3 / −1
Let ωe1\omega e 1ωe1 be a cube root of unity. Then the minimum of the set {∣a+bω+cω2∣2:a,b,c\{ {\left| {a + b\omega + c{\omega ^2}} \right|^2}:a,b,c{​a+bω+cω2​2:a,b,c distinct non-zero integers} equals ..................
Numerical answer
PreviousNext

More from Complex Numbers

  • For a non-zero complex number z, let arg(z) denote the principal argument with −π< arg(z) ≤π. Then, which of the following statement(s) is (are) FALSE?2018 · Multiple correct
  • Let s, t, r be non-zero complex numbers and L be the set of solutions z=x+iy(x,y∈R,i=−1​) of the equation sz+tz+r=0 where z= x − iy. Then, which of the following statement(s) is(are)…2018 · Multiple correct
  • Let a, b, x and y be real numbers such that a − b = 1 and y e 0. If the complex number z = x + iy satisfies Imolimits(z+1az+b​)=y, then which of the following is(are) possible…2017 · Multiple correct
  • Let a,b∈Randa2+b2e0. Suppose S={Z∈C:Z=a+ibt1​,+∈R,te0}, where i=−1​. Ifz = x + iy and z ∈ S, then (x, y) lies on2016 · Multiple correct
  • For any integer k, let ak​=cos(7kπ​)+isin(7kπ​), where i=−1​. The value of the expression k=1∑3​∣α4k−1​−α4k−2​∣k=1∑12​∣αk+1​−ak​∣​…2015 · Numerical
  • Let zk​=cos(102kπ​)+isin(102kπ​);k=1,2....,9 List-I P. For each zk​= there exits as zj​ such that zk​. zj​ = 1 Q. There exists a k∈{1,2,....,9}…2014 · MCQ
  • Let complex numbers αandα1​ lie on circles (x−x0​)2+(y−y0​)2=r2 and (x−x0​)2+(y−y0​)2=4r2…2013 · MCQ
  • Let ω=23​+i​ and P={ωn:n=1,2,3,…}. Further H1​={z∈C:Rez<21​} and H2​={z∈C:Rez<2−1​}…2013 · Multiple correct