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Let a,b,c be the sides fo a triangle whe...

Let a,b,c be the sides fo a triangle where `anebnec` and `lamdainR`,if roots of the equation `x^2+2(a+b+c)x+3lamda(ab+bc+ca) =0` are real, then

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CENGAGE PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
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  2. If center of a regular hexagon is at the origin and one of the vertice...

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  3. Let a,b,c be the sides fo a triangle where anebnec and lamdainR,if roo...

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  4. about to only mathematics

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  5. Let S be the set of all non-zero real numbers alpha such that the quad...

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  6. A complex number z is rotated in anticlockwise direction by an angle ...

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  7. For real x, the function ((x-a)(x-b))/(x-c) will assume all real value...

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  8. If z1, z2 are two complex numbers (z1!=z2) satisfying |z1^2-z2^2|=| z...

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  9. The quadratic equation p(x)=0 with real coefficients has purely imagi...

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  10. If from a point P representing the complex number z1 on the curve |z...

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  11. Let alpha, beta be the roots of the equation x^(2)-6x-2=0 with alpha g...

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  12. If |z-3|=min{|z-1|,|z-5|}, then Re(z) equals to

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  13. For the following question, choose the correct answer from the codes ...

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  14. Find the value of 1^3

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  15. All the values of m for whilch both the roots of the equation x^2-2m x...

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  16. If p=a+bomega+comega^2, q=b+comega+aomega^2, and r=c+aomega+bomega^2,...

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  17. If the roots of the quadratic equation (4p-p^2-5)x^2-(2p-1)x+3p=0 lie ...

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  18. If z1=5+12 i and |z2|=4,t h e n

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  19. If roots of x^2-(a-3)x+a=0 are such that both of them is greater than ...

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  20. If (z-1)/(z+1) is purely imaginary then

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