\( f(x)=\left(\sin ^{-1} x\right)^{2} \cdot \cos (1 / x) \) if \( x \neq 0 \); \( f(0)=0, f(x) \...

Channel:
PW Solutions
Subscribers:
447,000
Published on ● Video Link: https://www.youtube.com/watch?v=ImjVFRpITgo


Duration: 8:17
2 views
0

\( f(x)=\left(\sin ^{-1} x\right)^{2} \cdot \cos (1 / x) \) if \( x \neq 0 \); \( f(0)=0, f(x) \) is:
(A) continuous no where in \( -1 \leq x \leq 1 \)
(B) continuous everywhere in \( -1 \leq x \leq 1 \)
P
(C) differentiable no where in \( -1 \leq x \leq 1 \)
W
(D) differentiable everywhere in \( -1x1 \)
šŸ“²PW App Link - https://bit.ly/YTAI_PWAP
šŸŒPW Website - https://www.pw.live



Other Videos By PW Solutions


2023-02-14A uniform sphere of mass \( m \), radius \( r \) and moment of inertia \( I \) about its centre ...
2023-02-14Which of the following electrolytes will have maximum coagulating v...
2023-02-14A coil has an inductance of \( 1.5 \times 10^{-2} \mathrm{H} \). Calculate the e.m.f. induced, w...
2023-02-14Which of the following process is responsible for the formation of ...
2023-02-14The values of colligative properties of colloidal solution are of s...
2023-02-14\[ \text { If } x^{2}+y^{2}=t-\frac{1}{t} \text { and } x^{4}+y^{4}=t^{2}+\frac{1}{t^{2}} \text ...
2023-02-14A disc is freely rotating with an angular speed \( \omega \) on a smooth horizontal plane. If it...
2023-02-14(I)
2023-02-14Let \( \vec{x} \) be a vector in the plane containing vectors \( \v...
2023-02-14The tangents drawn from the origin to the circle \( x^{2}+y^{2}-2 r...
2023-02-14\( f(x)=\left(\sin ^{-1} x\right)^{2} \cdot \cos (1 / x) \) if \( x \neq 0 \); \( f(0)=0, f(x) \...
2023-02-14If a chord of circle \( x^{2}+y^{2}-4 x-2 y-c=0 \) is trisected at ...
2023-02-14A force \( F \) acts tangentially at the highest point of a disc of mass \( m \mathrm{kept} \) o...
2023-02-14A charged particle is projected in a magnetic field \( \mathbf{B}=(...
2023-02-14An electron with a speed \( v_{0}c \) moves in a circle of radius \...
2023-02-14The self inductance of an inductor having 100 turns is \( 20 \mathrm{mH} \). Calculate the total...
2023-02-14A disc of mass \( m \) and radius \( R \) moves in the \( x-y \) plane as shown in figure. The a...
2023-02-14The horizontal component of the earth's magnetic field at a certain...
2023-02-14Two adjacent sides of a parallelogram \( \mathrm{ABCD} \) are given...
2023-02-14Answer the following: (a) The casing of a rocket in flight burns up due to friction. At whose ex...
2023-02-14An aircraft with a wing span of \( 40 \mathrm{~m} \) flies with a speed of \( 1,080 \mathrm{~km}...