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Find the quadratic equation with rationa...

Find the quadratic equation with rational coefficients whose one root is `1//(2+sqrt(5))dot`

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CENGAGE ENGLISH-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
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  11. If alpha, beta and gamma are the roots of x^3 - x^2-1 = 0, then value ...

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  12. Prove that z=i^i, where i=sqrt-1, is purely real.

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  14. In A B C ,A(z1),B(z2),a n dC(z3) are inscribed in the circle |z|=5. I...

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  15. Suppose that f(x) is a quadratic expresson positive for all real xdot ...

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