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If alpha and beta are the roots of x2 + x + 1 = 0, find p if the roots of x2 + px + q = 0 are (alpha)/(beta) and (beta)/(alpha).
Mathematics
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Step-by-step solution
4 stepsUse Vieta's formulas for the first equation.
Given the equation , with roots and .
The sum of the roots is .
The product of the roots is .Use Vieta's formulas for the second equation.
Given the equation , with roots and .
The sum of these roots is .Simplify the sum of the roots for the second equation.
We know that .
Substitute the values from Step 1:Now substitute this back into the expression for the sum of the roots:
Equate the simplified sum to .
From Step 2, we have .
From Step 3, we found that .
Therefore,The value of is 1. This corresponds to option (B).
The final answer is .
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