Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Recent questions tagged p100
Questions
If the point $(\lambda , 0 , 3 ), (1 , 3 , -1 )$ and $(-5 , -3 , 7 )$ are collinear than find $\lambda$.
tnstate
class12
bookproblem
ch2
sec-1
exercise2-7
p100
q6
asked
Apr 7, 2013
by
poojasapani_1
1
answer
Show that $(2 , -1 ,3 ),(1 ,-1, 0 )$ and $(3, -1, 6 )$ are collinear.
tnstate
class12
bookproblem
ch2
sec-1
exercise2-7
p100
q5
asked
Apr 7, 2013
by
poojasapani_1
1
answer
Find the shortest distance between the skew lines $\large\frac{x-6}{3}=\frac{y-7}{-1}=\frac{z-4}{1}$ and $\large\frac{x}{-3}=\frac{y+9}{2}=\frac{z-2}{4}$
tnstate
class12
bookproblem
ch2
sec-1
exercise2-7
p100
q4
asked
Apr 7, 2013
by
poojasapani_1
1
answer
Show that the lines $\large \frac{x-1}{1}=\frac{y+1}{-1}=\frac{z}{3}$ and $\large\frac{x-2}{1}=\frac{y-1}{2}=\frac{-z-1}{1}$ intersect and find their point of intersection.
tnstate
class12
bookproblem
ch2
sec-1
exercise2-7
p100
q3
jun-2006
modelpaper
asked
Apr 7, 2013
by
poojasapani_1
1
answer
Show that the following two lines are skew lines: $\overrightarrow{r}=(\overrightarrow{3i}+\overrightarrow{5j}+\overrightarrow{7k})+ t (\overrightarrow{i}-\overrightarrow{2j}+\overrightarrow{k})$ and $\overrightarrow{r}=(\overrightarrow{i}+\overrightarrow{j}+\overrightarrow{k}) + s (\overrightarrow{7i}-\overrightarrow{6j}+\overrightarrow{7k})$
tnstate
class12
bookproblem
ch2
sec-1
exercise2-7
p100
q2
jun-2007
modelpaper
asked
Apr 7, 2013
by
poojasapani_1
1
answer
Find the shortest distance between the parallel lines $\large\frac{x-1}{-1}=\frac{y}{3}=\frac{z+3}{2} $ and $\large\frac{x-3}{-1}=\frac{y+1}{3}=\frac{z-1}{2} $
tnstate
class12
bookproblem
ch2
sec-1
exercise2-7
p100
q1
q1-2
asked
Apr 7, 2013
by
poojasapani_1
1
answer
Find the shortest distance between the parallel lines $\overrightarrow{r}=(\overrightarrow{2i}-\overrightarrow{j}-\overrightarrow{k}) + t (\overrightarrow{i}-\overrightarrow{2j}+\overrightarrow{3k})$ and $\overrightarrow{r}=(\overrightarrow{i}+\overrightarrow{2j}+\overrightarrow{k}) + s (\overrightarrow{i}-\overrightarrow{2j}+\overrightarrow{3k})$
tnstate
class12
bookproblem
ch2
sec-1
exercise2-7
p100
q1
q1-1
asked
Apr 7, 2013
by
poojasapani_1
1
answer
Let $A = \begin{bmatrix} 0 & 1 \\ 0 & 0 \end{bmatrix} $, show that $ (aI + bA)^n = a^nI + na^{n-1}bA $, where $\;I\;$ is the identity matrix of order 2 and $n \in N$.
cbse
class12
bookproblem
ch3
misc
q1
p100
medium
shortanswer
sec-c
math
asked
Nov 23, 2012
by
pady_1
1
answer
if $A = \begin{bmatrix} 1 & 1 & 1 \\ 1 & 1 & 1 \\ 1 & 1 & 1 \end{bmatrix}$ prove that $A^n = \begin{bmatrix} 3^{n-1} & 3^{n-1} & 3^{n-1} \\ 3^{n-1} & 3^{n-1} & 3^{n-1} \\ 3^{n-1} & 3^{n-1} & 3^{n-1} \end{bmatrix} , n \in N$.
cbse
class12
bookproblem
ch3
misc
q2
p100
difficult
long-answer
sec-c
math
asked
Nov 23, 2012
by
pady_1
1
answer
If $ A = \begin{bmatrix} 3 & -4 \\ 1 & -1 \end{bmatrix}$ then prove that $ A^n = \begin{bmatrix} 1+2n & -4n \\ n & 1 - 2n \end{bmatrix} $ , where $n$ is any positive integer.
cbse
class12
bookproblem
ch3
misc
q3
p100
medium
long-answer
sec-b
math
asked
Nov 23, 2012
by
pady_1
1
answer
If $A$ and $B$ are symmetric matrices, prove that $AB - BA$ is a skew symmetric matrix.
cbse
class12
bookproblem
ch3
misc
q4
p100
easy
shortanswer
sec-b
math
asked
Nov 23, 2012
by
pady_1
1
answer
Show that the matrix $B'AB$ is symmetric or skew symmetric according as A is symmetric or skew symmetric.
cbse
class12
bookproblem
ch3
misc
q5
p100
easy
shortanswer
sec-b
math
asked
Nov 23, 2012
by
pady_1
1
answer
Find the values of $x, y, z $ if the matrix $ A = \begin{bmatrix} 0 & 2y & z \\ x & y & -z \\ x & -y & z \end{bmatrix} $ satisfy the equation $A'A = I $
cbse
class12
bookproblem
ch3
misc
q6
p100
medium
long-answer
sec-b
math
asked
Nov 23, 2012
by
pady_1
1
answer
For what values of $x$,
$\begin{bmatrix} 1 & 2 & 1 \end{bmatrix} \begin{bmatrix} 1 & 2 & 0 \\ 2 & 0 & 1 \\ 1 & 0 & 2 \end{bmatrix} \begin{bmatrix} 0 \\ 2 \\ x \end{bmatrix}$ = 0 ?
cbse
class12
bookproblem
ch3
misc
q7
p100
easy
shortanswer
sec-a
math
asked
Nov 23, 2012
by
pady_1
1
answer
If $A = \begin{bmatrix} 3 & 1 \\ -1 & 2 \end{bmatrix} $ show that $A^2 - 5A + 7I = 0$
cbse
class12
bookproblem
ch3
misc
q8
p100
easy
shortanswer
sec-b
math
asked
Nov 23, 2012
by
pady_1
1
answer
Find $x$, if $ \begin{bmatrix} x & -5 & -1 \end{bmatrix} \begin{bmatrix} 1 & 0 & 2 \\ 0 & 2 & 1 \\ 2 & 0 & 3 \end{bmatrix} \begin{bmatrix} x \\ 4 \\ 1 \end{bmatrix} = 0 $
cbse
class12
bookproblem
ch3
misc
q9
p100
medium
shortanswer
sec-b
math
asked
Nov 23, 2012
by
pady_1
1
answer
To see more, click for the
full list of questions
or
popular tags
.
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...