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The points representing cube roots of un...

The points representing cube roots of unity

A

are collinear

B

lie on a circle of radius `sqrt(3)`

C

from an equilateral triangle

D

none of these

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The correct Answer is:
c
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OBJECTIVE RD SHARMA-COMPLEX NUMBERS -Exercise
  1. Common roots of the equation z^(3)+2z^(2)+2z+1=0 and z^(2020)+z^(2018)...

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  2. If z(1) and z(2) are two complex numbers such that |(z(1)-z(2))/(1-bar...

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  3. The points representing cube roots of unity

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  4. If z(1) and z(2) are two complex numbers such that |(z(1)-z(2))/(z(1)+...

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  5. If z(1), z(2) are two complex numbers such that |(z(1)-z(2))/(z(1)+z(2...

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  6. If n is a positive integer greater than unity z is a complex number sa...

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  7. If n is a positive integer greater than unity z is a complex number sa...

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  8. If at least one value of the complex number z=x+iy satisfies the condi...

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  9. Given z is a complex number with modulus 1. Then the equation [(1+i a)...

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  10. The center of a regular polygon of n sides is located at the point z=0...

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  11. If the points z(1),z(2),z(3) are the vertices of an equilateral triang...

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  12. For any complex number z, the minimum value of |z|+|z-1|

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  13. The inequality |z-4| < |z-2| represents

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  14. Number of non-zero integral solution of the equation |1-i| ^(n)=2^(n),...

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  15. If "Im"(2z+1)/(iz+1)=-2, then locus of z, is

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  16. lf z(!=-1) is a complex number such that [z-1]/[z+1] is purely imagina...

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  17. If x=-5+2sqrt(-4) , find the value of x^4+9x^3+35 x^2-x+4.

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  18. If z(1),z(2), z(3) are vertices of an equilateral triangle with z(0) i...

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  19. If z1,z2 are two complex numbers such that Im(z1+z2)=0,Im(z1z2)=0, the...

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  20. If z^2+z|z|+|z^2|=0, then the locus z is a. a circle b. a straight ...

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