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Show that the roots of the equation: (x-...

Show that the roots of the equation: (x-a) (x -b) +(x- b) (x-c)+ (x- c) (x -a) =0 are always real and these cannot be equal unless a=b=c

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  3. Show that the roots of the equation: (x-a) (x -b) +(x- b) (x-c)+ (x- c...

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  4. find the values of k so, that the equation (3k+1)x^2+2(k+1)x+1=0 has e...

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  5. If the equation (1+m^2)x^2+2m c x+(c^2-a^2)=0 has equal roots, prove t...

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  11. If the equation (a^2+b^2)x^2-2(a c+b d)x+c^2+d^2=0 has equal roots, th...

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  16. If one root of the equation 2x^2+b x+c=0 is three times the other, the...

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