For the expression x2 - 10x -13- the roots are - and - then the value of - is

A= 1, b= 10, c= 13 α β= √(b^2 4ac)/a= √(100+52)/1=√(152) ...

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For the expre...

Question

For the expression $x^{2} - 10 x - 13,$ the roots are $α$ and $β$ , then the value of $α - β$ is

\sqrt{48}

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\sqrt{152}

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\sqrt{51}

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\sqrt{149}

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x^{2} - 10 x - 13,

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If α, β and γ are the roots of the equation $x^{3}$ - 3 $x^{2}$ + 5x - 9 = 0 then the value of the expression

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