QUESTION 19 \(\dfrac {dy}{dx}\) dari \(x^2 + xy + y^2 = 1\) adalah ... \(\dfrac {2x + y}{x +...
QUESTION 16 Jika \(f(x) = \dfrac {2x - 1}{2x + 1}\) maka \(f''(-1) = \dotso\) 1 2 4 8...
QUESTION 14 Jika \(f(x) = (2x + 1)(1 - x)(x^2 - x + 1)\), maka \(f'(1) = \dotso\) −3...
QUESTION 12 Jika \(f(x) = x^2 \: \sqrt{4 - 6x}\), maka \(f'(-2) = \dotso\) −5 −8 −13 −17 −19...
QUESTION 10 Jika \(f \left( \dfrac 1x \right) = x^2 + 5\), maka \(f'(-1) = \dotso\) −2 −1 1 2 🔍 Solution \begin{equation*} \begin{split} & f \left( \frac 1x \right) = x^2 + 5 \\\\ & f \left( x^{-1} \right) = x^2 + 5 \\\\ & -1 \:.\: x^{-2} \:.\: f' \left( x^{-1} \right)
QUESTION 10 Jika \(f \left( \dfrac 1x \right) = x^2 + 5\), maka \(f'(-1) = \dotso\) −2 −1 1 2 🔍 Solution \begin{equation*} \begin{split} & f \left( \frac 1x \right) = x^2 + 5 \\\\ & f \left( x^{-1} \right) = x^2 + 5 \\\\ & -1 \:.\: x^{-2} \:.\: f' \left( x^{-1} \right)