What is the minimum value of X + 1/X=?
Answer Let’s assume further that x is positive real. We start with a simple fact that ANY squares are non-negative. The idea is we “choose” a square intelligently to suit our purpose. Also not that x does NOT equal zero. By experience, I choose the square ( x^(1/2) – 1 / [ x^(1/2)] )^2....
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