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ifa=cos(2pi//7)+isin(2pi//7) , then find...

if`a=cos(2pi//7)+isin(2pi//7)` , then find the quadratic equation whose roots are `alpha=a+a^2+a^4 `and `beta=a^3+a^5+a^6` .

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CENGAGE PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
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  2. All the value of k for which the quadratic polynomial f(x)=2x^2+k x+2=...

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  3. ifa=cos(2pi//7)+isin(2pi//7) , then find the quadratic equation whose ...

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  7. Let a , b ,a n dc be rel numbers which satisfy the equation a+1/(b c)=...

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  8. The value of i^(1+3+5+.....+(2n+1)) is.

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  11. If z + 1/z = 2costheta, prove that |(z^(2n)-1)//(z^(2n)+1)|=|tannthet...

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