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Question

If α and β are the roots of the equation.
3x24x+1=0, from a quadratic equation whose roots are α2β and β2α.

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Solution

Since α,β are are the roots of the equation 3x24x+10.
we have α+β=43,αβ=13
Now, for the required equation, the sum of the roots =(α2β+β2α)=α3+β3αβ
=(α+β)33αβ(α+β)αβ=(43)33×13×4313=289
Also, product of the roots =(α2β)(β2α)=αβ=13
The required equation is x2289x+13=0 or 9x229x+3=0

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