Mastering Basic Derivatives

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Questions and Answers

Which of the following is the derivative of $x^n$ with respect to $x$, where $n$ is a constant?

  • $nx^{n-1}$ (correct)
  • $n^2x^n$
  • $n^2x^{n-1}$
  • $nx^n$

What is the derivative of $\sin(x)$ with respect to $x$?

  • $-\sin(x)$
  • $\sin(x)$
  • $-\cos(x)$
  • $\cos(x)$ (correct)

What is the derivative of $\tan(x)$ with respect to $x$?

  • $\sec^2(x)$ (correct)
  • $-\sec^2(x)$
  • $-\csc^2(x)$
  • $\csc^2(x)$

What is the derivative of $\ln(u)$ with respect to $x$, where $u$ is a function of $x$?

<p>$\frac{1}{u} \cdot \frac{du}{dx}$ (B)</p> Signup and view all the answers

What is the derivative of $f(g(x))$ with respect to $x$, where $f$ and $g$ are functions?

<p>$f'(g(x)) \cdot g'(x)$ (C)</p> Signup and view all the answers

Which of the following is the derivative of $\cot(x)$ with respect to $x$?

<p>$\sec^2(x)$ (A)</p> Signup and view all the answers

Which of the following is the derivative of $\sec(x)$ with respect to $x$?

<p>$\sec(x)\tan(x)$ (A)</p> Signup and view all the answers

Which of the following is the derivative of $\ln(\ln(x))$ with respect to $x$?

<p>$\frac{1},{x\ln^2(x)}$ (C)</p> Signup and view all the answers

Which of the following is the derivative of $\arcsin(\frac{1},{x})$ with respect to $x$?

<p>$\frac{1},{x\sqrt{1-\frac{1},{x^2}}}$ (B)</p> Signup and view all the answers

Which of the following is the derivative of $\arccos(x^2)$ with respect to $x$?

<p>$\frac{-2x},{\sqrt{1-x^4}}$ (C)</p> Signup and view all the answers

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Study Notes

Derivatives of Various Functions

  • The derivative of $x^n$ with respect to $x$ is $nx^{n-1}$, where $n$ is a constant.

Trigonometric Functions

  • The derivative of $\sin(x)$ with respect to $x$ is $\cos(x)$.
  • The derivative of $\tan(x)$ with respect to $x$ is $\sec^2(x)$.
  • The derivative of $\cot(x)$ with respect to $x$ is $-\csc^2(x)$.
  • The derivative of $\sec(x)$ with respect to $x$ is $\sec(x)\tan(x)$.

Logarithmic Functions

  • The derivative of $\ln(u)$ with respect to $x$, where $u$ is a function of $x$, is $\frac{1}{u}\cdot\frac{du}{dx}$.
  • The derivative of $\ln(\ln(x))$ with respect to $x$ is $\frac{1}{x\ln(x)}$.

Composite Functions

  • The derivative of $f(g(x))$ with respect to $x$, where $f$ and $g$ are functions, is $f'(g(x))\cdot g'(x)$.

Inverse Trigonometric Functions

  • The derivative of $\arcsin(u)$ with respect to $x$, where $u$ is a function of $x$, is $\frac{1}{\sqrt{1-u^2}}\cdot\frac{du}{dx}$.
  • The derivative of $\arccos(u)$ with respect to $x$, where $u$ is a function of $x$, is $\frac{-1}{\sqrt{1-u^2}}\cdot\frac{du}{dx}$.

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