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The region represented by |z+a|+|z-a| lt...

The region represented by `|z+a|+|z-a| lt4a` is

A

`x^2+y^2lt4a^2`

B

`x^2+y^2gt4a^2`

C

`x^2-y^2lt4a^2`

D

none

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The correct Answer is:
D
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DIPTI PUBLICATION ( AP EAMET)-COMPLEX NUMBERS -EXERCISE 1
  1. If alpha+ibeta=Tan^(-1)(z),z=x+iy and alpha is constant then the locus...

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  2. If |z-1| gt2|z-2| then the locus of z = x + iy is

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  3. The region represented by |z+a|+|z-a| lt4a is

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  4. The region of the argand plane defined by |z-i| +|z+i|le4 is

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  5. The locus of z satisfying the inequality |(z+2i)/(2z+i)|lt1 where z = ...

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  6. The locus of z satisfying the inequality log(1//3)|z+1|gtlog(1//3)|z-...

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  7. If log tan30^@((2|z|^2+2|z|-3)/(|z|+1))lt-2 , then

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  8. |z-4|lt|z-2| represents the region given by

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  9. If |z-4/z|=2 , then the maximum value |z| is equal to

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  10. If z is a complex number such that |z|ge2 ,then the minimum value of |...

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  11. The number of complex number z such |z-1|=|z+1|=|z-i| equals

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  12. The number of solutions for z^3+barz=0 is

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  13. The triangle formed by the points 1, (1+i)/(sqrt(2)) and i as vertice ...

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  14. If z1=1+2i,z2=2+3i,z3=3+4i, " then " z1,z2and z3 represents the vertic...

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  15. In the Argrand plane, the points represented by the complex numbers 1+...

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  16. In the Argrand plane, the points represented by the complex numbers 2-...

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  17. Are of the triangle formed by the three complex numbers, 1+i,1-i,2i in...

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  18. Area of the triangle formed by the Argrand diagram formed by the compl...

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  19. If |z|=3 , then area of the triangle whose sides are z , omegaz and z ...

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  20. If the area of the triangle on the complex plane formed the points z ,...

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