Let \( f(x)=a x^{3}+b x^{2}+c x+1 \) have extrema at \( x=\alpha, \... VIDEO
Let \( f(x)=a x^{3}+b x^{2}+c x+1 \) have extrema at \( x=\alpha, \beta \) such that \( \alpha \beta0 \) and \( f(\alpha) . f(\beta)0 \). Then the equation \( f(x)=0 \) hashttps://bit.ly/YTAI_PWAP https://www.pw.live
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