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If the harmonic mean between roots of (5...

If the harmonic mean between roots of `(5+sqrt(2))x^2-b x+8+2sqrt(5)=0i s4` , then find the value of `bdot`

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CENGAGE ENGLISH-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
  1. If |z1-z0|=|z2-z0|=a and amp((z2-z0)/(z0-z1))=pi/2 , then find z0

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  2. Which of the following represents a points in an Argand pane, equidi...

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  3. If the harmonic mean between roots of (5+sqrt(2))x^2-b x+8+2sqrt(5)=0i...

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  4. If n in N >1 , then the sum of real part of roots of z^n=(z+1)^n is...

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  5. If z1, z2, z3, z4 are the affixes of four point in the Argand plane, z...

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  6. Find the values of the parameter a such that the rots alpha,beta of ...

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  7. Solve the equation z^3= z (z!=0)dot

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  8. If z=omega,omega^2 where omega is a non-real complex cube root of unit...

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  9. Let alphaa n dbeta be the solutions of the quadratic equation x ^2-11...

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  10. If ((1+i)/(1-i))^m=1, then find the least positive integral value of m...

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  11. If ,Z1,Z2,Z3,........Z(n-1) are n^(th) roots of unity then the value ...

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  12. If a ,b ,c in R^+a n d2b=a+c , then check the nature of roots of equa...

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  13. If z is a complex number such taht z^2=( barz)^2, then find the loc...

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  14. If z^3+(3+2i)z+(-1+i a)=0 has one real roots, then the value of a lies...

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  15. Determine the value of k for which x+2 is a factor of (x+1)^7+(2x+k)^3...

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  16. Find the complex number z satisfying R e(z^2 =0),|z|=sqrt(3.)

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  17. Given that the expression 2x^3+3p x^2-4x+p hs a remainder of 5 when di...

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  18. z1a n dz2 are two distinct points in an Argand plane. If a|z1|=b|z2|(w...

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  19. Consider two complex numbers alphaa n dbeta as alpha=[(a+b i)//(a-b i...

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  20. In how many points the graph of f(x)=x^3+2x^2+3x+4 meets the x-axis ...

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