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If alpha and beta are the roots of the e...

If `alpha` and `beta` are the roots of the equation `px^2+qx+r=0`, then the value of `alpha^3 beta+ beta^3 alpha` is

A

`r/(p^3)`

B

`(r(q^2-2pr))/p^3`

C

`(r(q^2+2pr))/p^3`

D

`((q^2-2pr))/p^3`

Text Solution

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The correct Answer is:
B
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