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The roots of the cubic equation (z+ ab)^...

The roots of the cubic equation `(z+ ab)^(3) = a^(3)`, such that `a ne 0`, respresent the vertices of a trinagle of sides of length

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CENGAGE PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
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  3. The roots of the cubic equation (z+ ab)^(3) = a^(3), such that a ne 0...

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  4. Find the largest natural number a for which the maximum value of f(x)=...

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  5. In the Argands plane what is the locus of z(!=1) such that a rg{3/2((2...

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  6. If omega is an imaginary x^n root of unit then underset(r=1)oversetnsu...

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  7. Let f(x)=a x^2+b x+c be a quadratic expression having its vertex at (3...

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  8. If |z|=2a n d(z1-z3)/(z2-z3)=(z-2)/(z+2) , then prove that z1, z2, z3...

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  9. If |z1/z2|=1 and arg (z1z2)=0 , then a. z1 = z2 b. |z2|^2 = z1*z2 ...

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  10. Find the least value of n such that (n-2)x^2+8x+n+4>0,AAx in R ,w h ...

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  11. The common roots of the equations z^3+2z^2+2z+1=0 and z^1985+z^100+1=0...

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  12. If z1 + z2 + z3 + z4 = 0 where bi in R such that the sum of no two ...

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  13. If the inequality (m x^2+3x+4)//(x^2+2x+2)<5 is satisfied for all x i...

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  14. If |(z-2)//(z-3)|=2 represents a circle, then find its radius.

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  15. If z1 is a root of the equation a0z^n+a1z^(n-1)+........+ (a(n-1)) z ...

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  16. If f(x)=(a1x+b1)^2+(a2x+b2)^2+...+(an x+bn)^2 , then prove that (a1b1+...

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  17. If the imaginary part of (2z+1)//(i z+1) is -2, then find the locus of...

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  18. If |2z-1|=|z-2|a n dz1, z2, z3 are complex numbers such that |z1-alph...

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  19. If (cgt 0) and 2ax^2+3bx+5c=0 does not have any real roots, then prove...

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  20. Find the number of complex numbers which satisfies both the equations ...

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