If \( x \) is real, then \( \frac{x^{2}-x+c}{x^{2}+x+2 c} \) can take all real values if
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If \( x \) is real, then \( \frac{x^{2}-x+c}{x^{2}+x+2 c} \) can take all real values ifhttps://bit.ly/YTAI_PWAP https://www.pw.live
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