Question

Resuelve la sig ecuacion cuadratica.

$\frac{x}{4} +\frac{4}{x} =2$

Answer 1

$\displaystyle\tt \frac{x}{4} +\frac{4}{x} =2\\\\\\\frac{x^2+16}{4x} =2\\\\x^2+16=4x \cdot 2\\\\x^2-8x+16=0\\\\D=64-4\cdot 16=64-64=0\\\\\\x=\frac{8+0}{2} =4$