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Let the point P represent the complex nu...

Let the point P represent the complex number z. If OP is turned round 0 by an angle `pi/2` in the clockwise sense where 0 is the origin then in the new position P represents the complex number _______.

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A DAS GUPTA-COMPLEX NUMBERS-EXERCISE
  1. The value of |sqrtalpha| , where alpha is a nonreal cube root of unity...

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  2. If omega is a cube root of unity, then find the value of the following...

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  3. Let the point P represent the complex number z. If OP is turned round ...

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  4. |sqrtz|^4 = where z is a unimodular complex number.

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  5. (z|barz|^2)/(barz|z|^2) = where z is a complex number of amplitude pi...

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  6. ABCD is a rhombus. Its diagonals AC and BD intersect at the point M a...

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  7. The angle that the vector representing the complex number 1/((sqrt3+i)...

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  8. If |z| =2 then then the complex number 1/z is represented on a fixed .

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  9. If z1 and z2 are two complex number and a, b, are two real number then...

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  10. a and b are real numbers between 0 and 1 such that the points z1 =a+ i...

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  11. If the complex number z1,z2 and z3 represent the vertices of an equila...

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  12. If the real part of (z+4)/(2z+i) is 1/2 then the point z lies on .

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  13. If a gt 0 ,b gt 0 then sqrt(-a) * sqrtb is equal to

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  14. If i^2=-1 then the value of sum(n=1)^200 i^n is

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  15. Find the smallest positive integer value of n for which ((1+i)^n)/((1-...

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  16. The digit in the units place in the value of (727)^39 is

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  17. If n is an integer, not a multiple of 3, the sum of w^n+w^(2n),w bein...

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  18. If alpha=root(3)(1) and alpha is not real then alpha^(3n+1)+alpha^(3n+...

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  19. If 1,omega,omega^(2) are the cube roots of unity, then the roots of t...

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  20. If z is a complex number then

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