Решите уравнение
[tex]\displaystyle \frac{1}{x^2} +2\cdot \frac{1}{x} =1 \frac{1}{4} [/tex]
[tex]\displaystyle \frac{1}{x^2} +2\cdot \frac{1}{x} =1 \frac{1}{4} [/tex]
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Answers & Comments
у*у+2у+1=1,5*1,5
(у+1)^2=1,5^2
y1=0,5
y2=-2,5
x1=2
x2=-0,4