Question

if alpha, beta, ghama are the zeroes of the polynomials f ( x ) = X cube - - px square + qx - r, then find 1 / alpha bheta, + 1 / bheta ghama + alpha ghama​

Answer 1

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Here is your answer

$\frac{1}{ \alpha \beta } + \frac{1}{ \beta \gamma } + \frac{1}{ \alpha \gamma } = \frac{ \alpha + \beta + \gamma }{ \alpha \beta \gamma }$

$= \frac{ \frac{ - b}{a} }{ \frac{c}{a} }$

$= - \frac{p}{q}$

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