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If 1,z1,z2,z3,.......,z(n-1) be the n, ...

If `1,z_1,z_2,z_3,.......,z_(n-1)` be the n, nth roots of unity and `omega` be a non-real complex cube root of unity, then `prod _(r=1)^(n-1) (omega-z_r)` can be equal to

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CENGAGE PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
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  2. If a0, a1, a2, a3 are all the positive, then 4a0x^3+3a1x^2+2a2x+a3=0 ...

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  3. If 1,z1,z2,z3,.......,z(n-1) be the n, nth roots of unity and omega b...

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  4. If a x ^2+b x+c=0 has imaginary roots and a-b+c >0 then the set of poi...

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  16. if arg(z+a)=pi/6 and arg(z-a)=(2pi)/3 then

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  18. if costheta , sinphi , sintheta are in g.p then check the nature of ro...

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  19. Given z=(1+isqrt(3))^(100), then [Re(z)//Im(z)] equals (a)2^(100) ...

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  20. If a ,b ,c are non zero rational no then prove roots of equation (a b ...

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