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If n is a positive integer greater than ...

If n is a positive integer greater than unity z is a complex number satisfying the equation `z^n=(z+1)^n,` then

A

`"Re"(z) lt 0`

B

`"Re"(z) gt 0`

C

Re(z) =0

D

none of these

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The correct Answer is:
A
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OBJECTIVE RD SHARMA-COMPLEX NUMBERS -Exercise
  1. If z(1) and z(2) are two complex numbers such that |(z(1)-z(2))/(z(1)+...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  18. If log sqrt(3)((|z|^(2)-|z|+1)/(2+|z|))gt2, then the locus of z is

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

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

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