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
>>
JEEMAIN and AIPMT
>>
JEEMAIN-2014
0
votes
Let A and B be any $\;3 \times 3\;$ matrices . If A is symmetric and B is skewsymmetric , then the matrix AB - BA is :
(a) skewsymmetric \[\](b) symmetric \[\](c) neither symmetric nor skewsymmetric \[\](d) I or -I , where I is an identity matrix
jeemain
mathematics
2014
set-10
Share
asked
May 24, 2014
by
yamini.v
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 $\;\overline{x}\;,M\;$ and $\;\sigma^{2}\;$ be respectively the mean ,mode and variance of n observations $\;x_{1},x_{2},...,x_{n}\;$ and $\;d_{i}=-x_{i}-a\;,i=1,2,...,n\;$, where a is any number.\[\] Statement I : Variance of $\;d_{1},d_{2},..,d_{n}\;$ is $\;\sigma^{2}\;$\[\] Statement II :Mean and mode of $\;d_{1},d_{2},..,d_{n}\;$ are $\;\overline{x}-a\;$ and $\;-M-a\;$, respectively
asked
May 25, 2014
by
yamini.v
jeemain
mathematics
2014
set-10
0
votes
0
answers
Let A and E be any two events with positive probabilities :\[\] Statement I : $\;\normalsize P(\large\frac{E}{A}) \geq \normalsize P(\large\frac{A}{E}) \normalsize P(E)\;$ \[\] Statement II : $\;\normalsize P(\large\frac{A}{E}) \geq \normalsize P(A \cap E)\;$ .
asked
May 25, 2014
by
yamini.v
jeemain
mathematics
2014
set-10
0
votes
0
answers
Let function F be defined as $\;F(x) =\int \limits_{1}^{x} \large\frac{e^{t}}{t} dt\;$ , x > 0 then the value of the integral $\;\int \limits_{1}^{x} \large\frac{e^{t}}{t+a} dt\;$ , where a > 0 , is :
asked
May 24, 2014
by
yamini.v
jeemain
mathematics
2014
set-10
0
votes
0
answers
Let $\;f: R \to R\;$ be a function such that $\;|f(x)| \leq x^{2}\;$ , for all $\;x \in R\;$.Then , at x= 0 , f is :
asked
May 24, 2014
by
yamini.v
jeemain
mathematics
2014
set-10
0
votes
0
answers
Let $\;f: R \to R \;$ be defined by $\;f(x) = \large\frac{|x|-1}{|x|+1}\;$ then f is :
asked
May 24, 2014
by
yamini.v
jeemain
mathematics
2014
set-10
0
votes
0
answers
The circumcentre of a triangle lies at the origin and its centroid is the mid point of the line segment joining the points $\;(a^{2}+1,a^{2}+1)\;$ and $\;(2a ,-2a)\;, a \neq 0\;$.Then for any a , the orthocentre of this triangle lies on the line :
asked
May 24, 2014
by
yamini.v
jeemain
mathematics
2014
set-10
0
votes
0
answers
Let $\;f(n)=[\large\frac{1}{3} + \large\frac{3n}{100}]n\;$ , where [n] denotes the greatest integer less than or equal to n .Then $\;\sum_{n=1}^{56} f(n)\;$ is equal to :
asked
May 24, 2014
by
yamini.v
jeemain
mathematics
2014
set-10
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
...