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If z is any complex number satisfying |z...

If z is any complex number satisfying |z - 3 - 2i | less than or equal 2, then the minimum value of |2z - 6 + 5i| is (1) 2 (2) 1 (3) 3 (4) 5

A

2

B

1

C

3

D

5

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OBJECTIVE RD SHARMA ENGLISH-COMPLEX NUMBERS -Section I - Solved Mcqs
  1. In Q. No. 121, 1-sum(k=1)^(9)cos(2kpi)/10 equals

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  2. If z is a complex number such that |z|geq2 , then the minimum value...

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  3. A complex number z is said to be unimodular if abs(z)=1. Suppose z(1) ...

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  4. about to only mathematics

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  5. f(n) = cot^2 (pi/n) + cot^2\ (2 pi)/n +...............+ cot^2\ ((n-1) ...

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  6. If z(1) and z(2) are the complex roots of the equation (x-3)^(3) + 1=...

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  7. If |z-1| =1 and arg(z)=theta, where z ne 0 and theta is acute, then (1...

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  8. If z is a complex number lying in the first quadrant such that "Re"(z)...

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  9. about to only mathematics

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  10. If z is a complex number satisfying ∣z 2 +1∣=4∣z∣, then the minimum ...

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  11. Locus of z if arg[z-(1+i)] = {:{(3pi//4 when |z| lt = |z-2|), (-pi//4 ...

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  12. Let z in C and if A={z,arg(z)=(pi)/(4)} and B={z,arg(z-3-3i)=(2pi)/(3)...

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  13. If z is any complex number satisfying |z - 3 - 2i | less than or equal...

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  14. Let z=1+ai be a complex number, a > 0,such that z^3 is a real number....

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  15. Let a,b in R and a^(2)+b^(2) ne 0. Suppose S={z in C:z=(1)/(a+ibt),t...

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  16. Let a,b in R and a^(2)+b^(2) ne 0. Suppose S={z in C:z=(1)/(a+ibt),t...

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  17. Let a,b in R and a^(2)+b^(2) ne 0. Suppose S={z in C:z=(1)/(a+ibt),t...

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  18. The point represented by 2+i in the Argand plane moves 1 unit eastward...

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  19. Let omega be a complex number such that 2omega+1=z, when z=sqrt(3) if ...

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  20. Let a,b,x and y be real numbers such that a-b =1 and y ne 0. If the ...

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