Khi đó y'(−1) bằng
Giải thích
A
\(y' = - \frac{4}{{{{\left( {x - 1} \right)}^2}}}\)\( \Rightarrow y'\left( { - 1} \right) = - \frac{4}{{{{\left( { - 1 - 1} \right)}^2}}} = - 1\).
A
\(y' = - \frac{4}{{{{\left( {x - 1} \right)}^2}}}\)\( \Rightarrow y'\left( { - 1} \right) = - \frac{4}{{{{\left( { - 1 - 1} \right)}^2}}} = - 1\).