Question 668900
If x^3 + 1/x^3 = 110, then find x + 1/x.
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x^6 - 110x^3 + 1 = 0
Sub y for x^3
y^2 - 110y + 1 = 0
*[invoke solve_quadratic_equation 1,-110,1]
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Find the cube root of the 2 answers.
--> x + 1/x = 5