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If |z-25i| lt= 15. then |"maximum " arg(...

If `|z-25i| lt= 15.` then `|"maximum " arg(z) - "minimum " arg(z)|` equals

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If |z-25i|le15 , then |maximum arg(z) - minimum arg(z)| equals (A) (pi)/(2)+cos^(-1)((3)/(5)) (B) sin^(-1)((3)/(5))-cos^(-1)((3)/(5)) (C) 2cos^(-1)((4)/(5)) (D) 2cos^(-1)((1)/(5))

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A DAS GUPTA-COMPLEX NUMBERS-EXERCISE
  1. If z^2(bar omega)^4=1 where omega is a nonreal complex cube root of 1 ...

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  2. Find z satisfying |z-5i|le3 such that amp z is the minimum.

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  3. If |z-25i| lt= 15. then |"maximum " arg(z) - "minimum " arg(z)| equals

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  4. Find the complex number Z, the greatest in absolute value which satisf...

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  5. Complex number z1, z2 and z3 in AP

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  6. if |(1-iz)/(z-i)|=1 prove that the locus of the variable point z in th...

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  7. The equation barbz+bbarz=c, where b is a non-zero complex constant and...

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  8. Let A(z1) and (z2) represent two complex numbers on the complex plan...

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  9. Find the area of the triangle whose vertices in the Argand plane are i...

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  10. Show that the area of the triangle on the Argand diagram formed by the...

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  11. Find the area of the triangle whose vertices represent the three roots...

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  12. The complex numbers z1, z2 and the origin form an equilateral triangle...

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  13. Complex numbers z1 , z2, z3 are the vertices A, B, C respectively of ...

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  14. If z1,z2,z3 be the vertices of an equilateral triangle, show that 1/(z...

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  15. If z1,z2,z3 be the vertices of an equilateral triangle, show that 1/(z...

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  16. Complex numbers z1 , z2, z3 are the vertices A, B, C respectively of ...

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  17. The points representing cube roots of unity

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  18. z, w, w^2 are the vertices of an equilateral triangle in the Argand pl...

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  19. If a ,b ,c and u ,v ,w are the complex numbers representing the vertic...

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  20. If two consecutive vertices of a regular hexagon be z and barz , find ...

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