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If pa n dq are distinct prime numbers, ...

If `pa n dq` are distinct prime numbers, then the number of distinct imaginary numbers which are pth as well as qth roots of unity are. a.`min(p ,q)` b. `min(p ,q)` c. `1""` d. `z e ro`

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CENGAGE PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
  1. If x y=2(x+y),xlt=y and x ,y in N , then the number of solutions of t...

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  2. If I m((z-1)/(e^(thetai))+(e^(thetai))/(z-1))=0 , then find the locus ...

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  3. If pa n dq are distinct prime numbers, then the number of distinct im...

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  4. The number of real solutions of the equation (9//10)^x=-3+x-x^2 is a. ...

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  5. What is locus of z if |z-1-sin^(-1)(1/sqrt3)|+|z+cos^(-1)(1/sqrt3)-p...

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  6. If abs(z-2-i)=abszabssin(pi/4-argz) then locus of z is

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  7. The number of integral values of a for which the quadratic equation (x...

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  8. Ifomega is the imaginary cube root of unity and a+b+c=0 then show that...

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  9. If z is a complex number having least absolute value and |z-2+2i|=1,th...

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  10. If the equation cot^4x-2cos e c^2x+a^2=0 has at least one solution, th...

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  11. Which of the following is equal to root(3)(-1) a. (sqrt(3)+sqrt(-1))/...

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  12. If omega is the imaginary cube root of 1 then prove that (a+bomega+com...

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  13. The number of the real solutions of the equation x^2-3absx+2=0 is

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  14. If |z-1| + |z + 3| le 8, then prove that z lies on the circle.

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  15. If z1a n dz2 are the complex roots of the equation (x-3)^3+1=0,t h e n...

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  16. If the quadratic equation a x^2+b x+6=0 does not have real roots and b...

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  17. If the equation |z-a|+|z-b|=3 represents an ellipse and a ,b in C ,w ...

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  18. If |z^2-3|=3|z| , then the maximum value of |z| is a.1 b. (3+sqrt...

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  19. What is the minimum height of any point on the curve y=x^2-4x+6 above ...

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  20. Find the locus of point z if z , i ,and iz , are collinear.

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