SOLUTION: What is the sum of the squares of the roots of x^4 - 5 x^2 + 6 = 0

SOLUTION: What is the sum of the squares of the roots of x^4 - 5 x^2 + 6 = 0

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Question 252245: What is the sum of the squares of the roots of x^4 - 5 x^2 + 6 = 0
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
solving the equation:

Let

and

--------------------------
Substituting:

The sum of the squares of the roots is:

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