Easy
The derivative of $\tan x - x$ with respect to $x$ is
- A$1 - \tan^2 x$
- B$\tan x$
- C$-\tan^2 x$
- D$\tan^2 x$
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If $f(x) = |x^2 - 3x + 2|$,then $\frac{df}{dx} = $
For the function $f(x) = x^2 - 6x + 8$ where $2 \le x \le 4$,the value of $x$ for which $f'(x)$ vanishes is:
Easy
View Solution$\frac{d}{dx} \left( x^2 \sin \frac{1}{x} \right) = $
Easy
View SolutionMatch the functions in List-$I$ with their derivatives given in List-$II$.
List-$I$ List-$II$ $A$. $\sec^{-1} x$ $I$. $\frac{1}{1-x^2}, x \in (-1, 1)$ $B$. $\tanh^{-1} x$ $II$. $\frac{-1}{|x| \sqrt{x^2+1}}, x \neq 0$ $C$. $\coth^{-1} x$ $III$. $\frac{1}{|x| \sqrt{x^2-1}}, |x| > 1$ $D$. $\operatorname{cosech}^{-1} x$ $IV$. $\frac{1}{1-x^2}, x \in R - [-1, 1]$ $V$. $\frac{-1}{|x| \sqrt{1-x^2}}, |x| < 1, x \neq 0$
| List-$I$ | List-$II$ |
| $A$. $\sec^{-1} x$ | $I$. $\frac{1}{1-x^2}, x \in (-1, 1)$ |
| $B$. $\tanh^{-1} x$ | $II$. $\frac{-1}{|x| \sqrt{x^2+1}}, x \neq 0$ |
| $C$. $\coth^{-1} x$ | $III$. $\frac{1}{|x| \sqrt{x^2-1}}, |x| > 1$ |
| $D$. $\operatorname{cosech}^{-1} x$ | $IV$. $\frac{1}{1-x^2}, x \in R - [-1, 1]$ |
| $V$. $\frac{-1}{|x| \sqrt{1-x^2}}, |x| < 1, x \neq 0$ |
If $y = \sin^{n} x \cos nx$,then $\frac{dy}{dx}$ is
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