Ask Questions, Get Answers
Menu
X
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
5 Test Series
CBSE XII
Math
JEEMAIN
Math
Physics
Chemistry
Practice Test Series
CBSE XI
Math
NEET
Physics
Chemistry
Biology - XII
Biology - XI
Olympiad class V
Math - 5 Test Series
Olympiad class VI
Math - 5 Test Series
studyplans
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
5 Test Series
CBSE XII
Math
JEEMAIN
Math
Physics
Chemistry
Practice Test Series
CBSE XI
Math
NEET
Physics
Chemistry
Biology - XII
Biology - XI
Olympiad class V
Math - 5 Test Series
Olympiad class VI
Math - 5 Test Series
mobile
exams
ask
sample papers
teach
pricing
sign-in
Download our FREE mobile app with 1000+ tests for CBSE, JEE MAIN, AIPMT
X
Search
Topics
Want to ask us a question?
Click here
Browse Questions
Student Questions
Ad
Home
>>
Student Questions
0
votes
Let $\;f(x)=x|x|\;,g(x)=sinx\;$ and $\;h(x) =(gof)(x)\;$.Then
(a) $\;h(x)\;$ is not differential at $\;x=0\;$\[\](b) $\;h(x)\;$ is differential at $\;x=0\;$ but $\;h^{'}(x)\;$ is not continuous at $\;x=0\;$\[\](c) $\;h(x)\;$ is continuous at $\;x=0\;$ but $\;h^{'}(x)\;$ is not differential at $\;x=0\;$\[\](d) $h^{'}(x)\;$ is differential at $\;x=0\;$
jeemain
mathematics
2014
set-11
Share
asked
May 10, 2014
by
yamini.v
edited
May 10, 2014
Please
log in
or
register
to add a comment.
Can you answer this question?
Do not ask me again to answer questions
Please
log in
or
register
to answer this question.
Related questions
0
votes
0
answers
Let f be an odd function defined on the set of real numbers such that for $\;x \geq 0\;$ ,$\;f(x)=3 sinx + 4 cos x$ .Then $\;f(x)\;$ at $\;x=-\large\frac{11 \pi}{6}\;$ is equal to :
asked
May 8, 2014
by
yamini.v
jeemain
mathematics
2014
set-11
0
votes
0
answers
Let $\;P(3 sec \theta , 2 tan \theta)\;$ and $\;Q( 3sec \phi ,2 tan \phi)\;$ where $\;\theta + \phi = \large\frac{\pi}{2}\;$ , be two distinct points on the hyperbola $\;\large\frac{x^{2}}{9} - \large\frac{y^{2}}{16}= 1\;$ . Then the ordinate of the point of intersection of the normals at P and Q is :
asked
May 10, 2014
by
yamini.v
jeemain
mathematics
2014
set-11
0
votes
0
answers
Let $\;L_{1}\;$ be the length of the common chord of the curves $\;x^{2}+y^{2}=9\;$ and $\;y^{2}=8x\;$ , and $\;L_{2}\;$ be the length of the latus rectum of $\;y^{2}=8x\;$, then :
asked
May 10, 2014
by
yamini.v
jeemain
mathematics
2014
set-11
0
votes
0
answers
Let for $\;i=1,2,3,p_{i}x\;$ be a polynomial of degree 2 in $\;x,p_{i}^{'}x,p_{i}^{''}x\;$ be the first and second order derivatives of $\;p_{i}x\;$ respectively . Let , $\;A(x) = \begin{bmatrix} p_{1}(x)&p_{1}^{'}(x)&p_{1}^{''}(x) \\[0.3em] p_{2}(x)&p_{2}^{'}(x)&p_{2}^{''}(x) \\[0.3em] p_{3}(x)&p_{}^{'}(x)&p_{3}^{''}(x) \end{bmatrix}\;$ and $\;B(x) =[A(x)]^{T}A(x) \;$.Then determinant of $\;B(x)\;$ :
asked
May 8, 2014
by
yamini.v
jeemain
mathematics
2014
set-11
0
votes
0
answers
Let $\;A (2 , 3 , 5)\;,B(-1 ,3 , 2)\;$ and $\;C(\lambda , 5 , \mu)\;$ be the vertices of a $\;\bigtriangleup ABC\;$ . If the median through A is equally inclined to the coordinate axes , then :
asked
May 10, 2014
by
yamini.v
jeemain
mathematics
2014
set-11
0
votes
0
answers
A stair - case of length l rests against a vertical wall and a floor of a room , let P be a point on the stair - case , nearer to its end on the wall , that divides its length in the ratio 1:2 . If the stair - case begins to slide on the floor , then the locus of P is :
asked
May 10, 2014
by
yamini.v
jeemain
mathematics
2014
set-11
0
votes
0
answers
Let A be a $\;3 \times 3\;$ matrix such that $\;A \begin{bmatrix} 1&2&3\\[0.3em] 0&2&3 \\[0.3em] 0&1&1 \end{bmatrix}= \begin{bmatrix} 0&0&1\\[0.3em] 1&0&0 \\[0.3em] 0&1&0 \end{bmatrix}\;$ then $\;A^{-1}\;$ is
asked
May 8, 2014
by
yamini.v
jeemain
mathematics
2014
set-11
Ask Question
SUBMIT QUESTION
►
Please Wait
Take Test
JEEMAIN Crash Practice
15 Test Series
AIPMT Crash Practice
5 Test Series
JEEMAIN
350+ TESTS
AIPMT
320+ TESTS
CBSE XI MATH
50+ TESTS
CBSE XII MATH
80+ TESTS
x
JEE MAIN, CBSE, AIPMT Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App
...