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If z(1), z(2) are two complex numbers su...

If `z_(1)`, `z_(2)` are two complex numbers such that `|(z_(1)-z_(2))/(z_(1)+z_(2))|=1` and `iz_(1)=Kz_(2)`, where ` K in R`, then the angle between `z_(1)-z_(2)` and `z_(1)+z_(2)` is

A

`tan^(-1)(2k)/(k^(2)+1)`

B

`tan^(-1)(2k)/(1-k^(2))`

C

`-2tan^(-1)k`

D

none of these

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The correct Answer is:
c
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OBJECTIVE RD SHARMA ENGLISH-COMPLEX NUMBERS -Exercise
  1. The points representing cube roots of unity

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

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

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

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  5. If n is positive integer greater than unity and z is a complex number ...

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

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

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

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

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

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

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  12. Find the number of non-zero integral solutions of the equation |1-i|^(...

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

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  14. about to only mathematics

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

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

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  17. If z(1) , z(2) are two complex numbers such that I m (z(1) + z(2)) = 0...

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

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  19. If log(sqrt3) ((|z|^(2)-|z|+1)/(2+|z|)) lt 2 ,then the locus of z is

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  20. Let g(x) and h(x) are two polynomials such that the polynomial P(x) =g...

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