Differentiate $y = \cos^{-1} 3x$.
University of Ilorin MTH102 2025A past question
- $\frac{-3}{\sqrt{1 - 9x^2}}$
- $\frac{3}{\sqrt{1 - 9x^2}}$
- $\frac{-1}{\sqrt{1 - 9x^2}}$
- $\frac{-3}{\sqrt{1 - 3x^2}}$
Register free to see the answer and step-by-step explanation
More University of Ilorin MTH102 2025A past questions
Related questions
- Find the derivative of $y = x e^{-x^2}$.
- If $y = \cos 2t$ and $x = 2t + 5$, find $dy/dx$.
- If $y = \ln(x + x^7)$, find $dy/dx$ at $x = 1$.
- Differentiate $y = \ln(3x + 2)^5$ with respect to $x$.
- Find the second derivative $\frac{d^2y}{dx^2}$ of $y = \tan^{-1}x$.
- Find the fifth derivative of $y = e^{-2x} + x^4$.
