If the function \( f(x)=x^{4}+b x^{2}+8 x+1 \) has a horizontal tan... VIDEO
If the function \( f(x)=x^{4}+b x^{2}+8 x+1 \) has a horizontal tangent and a point of inflection for the same value of \( x \),https://bit.ly/YTAI_PWAP https://www.pw.live
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