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Let a and b are the roots of the equati...

Let `a` and ` b` are the roots of the equation `x^2-10 xc -11d =0` and those of `x^2-10 a x-11 b=0 ,dot` are c and d then find the value of `a+b+c+d

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CENGAGE ENGLISH-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
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  16. If z!=0 is a complex number, then prove that R e(z)=0 rArr Im(z^2)=0.

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  17. If l ,m ,n are real and l!=m , then the roots of the equation (l-m)x...

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  18. Let z be a complex number satisfying the equation z^2-(3+i)z+m+2i=0\ ,...

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