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Recent questions tagged p237
ASK
Find the equation of the hyperbola if centre: $(0 , 0 )$ length of the semi-transverse axis is $6; e=3$ and the transverse axis is parallel to $y$-axis.
tnstate
class12
bookproblem
ch4
sec-1
exercise4-3
q1
q1-3
p237
mar-2007
modelpaper
asked
Jun 19, 2013
by
sreemathi.v
1
answer
The differential equation of all non-vertical lines in a plane is?
tnstate
class12
bookproblem
p237
objective
q86
asked
May 23, 2013
by
poojasapani_1
1
answer
The differential equation $\large\left(\frac{dx}{dy}\right)^{2}$$+5y^{1/3}=x$ is
tnstate
class12
bookproblem
p237
objective
q85
modelpaper
mar-2006
mar-2010
asked
May 22, 2013
by
poojasapani_1
1
answer
$y=cx-c^{2}$ is the general solution of the differential equation
tnstate
class12
bookproblem
p237
objective
q84
modelpaper
oct-2008
asked
May 22, 2013
by
poojasapani_1
1
answer
Solution of $\large\frac{dx}{dy}$$+mx=0,$where $m<0$ is
tnstate
class12
bookproblem
p237
objective
q83
modelpaper
mar-2008
jun-2009
mar-2010
asked
May 22, 2013
by
poojasapani_1
1
answer
Integrating factor of $\large\frac{dy}{dx}+\frac{1}{x\log x}$$.y=\large\frac{2}{x^{2}}$ is
tnstate
class12
bookproblem
p237
objective
q82
modelpaper
oct-2008
mar-2007
jun-2007
oct-2009
asked
May 22, 2013
by
poojasapani_1
1
answer
The integrating factor of $dx+xdy=e^{-y}\sec^{2}y dy$ is
tnstate
class12
bookproblem
p237
objective
q81
asked
May 22, 2013
by
poojasapani_1
1
answer
If $ \cos x $ is an integrating factor of the differential equation $\large\frac{dy}{dx}$$+Py=Q$ then $P$=
tnstate
class12
bookproblem
p237
objective
q80
modelpaper
jun-2007
oct-2008
mar-2009
asked
May 22, 2013
by
poojasapani_1
1
answer
The curved surface area of a sphere of radius $5,$ intercepted between two parallel planes of distance $2$ and $4$ from the centre is
tnstate
class12
bookproblem
p237
objective
q78
modelpaper
oct-2009
mar-2010
asked
May 22, 2013
by
poojasapani_1
1
answer
The surface area of the solid of revolution of the region bounded by $y=2x,x=0$ and $x=2$ about $x$-axis is
tnstate
class12
bookproblem
p237
objective
q77
modelpaper
oct-2006
mar-2007
asked
May 22, 2013
by
poojasapani_1
1
answer
The length of the are of the curve $x^{2/3}+y^{2/3}=4$ is
tnstate
class12
bookproblem
p237
objective
q76
modelpaper
mar-2008
jun-2008
asked
May 22, 2013
by
poojasapani_1
1
answer
Find the equation of the hyperbola if centre:$ (2 , 5 )$; the distance between the direction is $15$ the distance between the foci is $20$ and the transverse axis is parallel to y-axis.
tnstate
class12
bookproblem
ch4
sec-1
exercise4-3
p237
q1
q1-5
asked
Apr 11, 2013
by
poojasapani_1
1
answer
Find the equation of the hyperbola if centre : $(1 , -2 )$ length of the transverse axis is $8; e=\large\frac{5}{4}$ and the transverse axis is parallel to x- axis.
tnstate
class12
bookproblem
ch4
sec-1
exercise4-3
p237
q1
q1-4
asked
Apr 11, 2013
by
poojasapani_1
1
answer
Find the equation of the hyperbola if centre: $(0 , 0 )$ length of the semi-transverse axis is $5; e=\large\frac{7}{5}$ and the conjugate axis is along x-axis.
tnstate
class12
bookproblem
ch4
sec-1
exercise4-3
p237
q1
q1-2
asked
Apr 11, 2013
by
poojasapani_1
1
answer
Find the equation of the hyperbola if focus : $(2 , 3 );$ corresponding directrix : $x+2y=5,e=2$
tnstate
class12
bookproblem
ch4
sec-1
exercise4-3
p237
q1
q1-1
asked
Apr 11, 2013
by
poojasapani_1
1
answer
Distance of the point $(\alpha,\beta,\gamma)$ from y-axis is \
cbse
class12
ch11
q29
p237
objective
exemplar
medium
sec-a
math
asked
Jan 4, 2013
by
sreemathi.v
1
answer
If $l_1,m_1,n_1,l_2,m_2,n_2,l_3,m_3,n_3$ are direction cosines of three mutually perpendicular lines,prove that the line whose direction cosines are proportional to $l_1+l_2+l_3,m_1+m_2+m_3,n_1+n_2+n_3$ make equal angles with them.
cbse
class12
ch11
q28
p237
exemplar
difficult
sec-c
math
asked
Jan 4, 2013
by
sreemathi.v
1
answer
Show that the straight lines whose direction cosines are given by $2l+2m-n=0\;and\;mn+nl+lm=0$ are at right angles.
cbse
class12
ch11
q27
p237
exemplar
difficult
sec-c
math
asked
Jan 4, 2013
by
sreemathi.v
1
answer
$\overrightarrow{AB}=3 \hat i-\hat j+\hat k \;and\; \overrightarrow{CD}=-3\hat i+2 \hat j+4\hat k$ are two vectors. The position vectors of the points $A$ and $C$ are $6\hat i+7\hat j+4\hat k\;and\;-9\hat j+2\hat k,$ respectively.Find the position vector of a point $P$ on the line $AB$ and a point $Q$ on the line $CD$ such that $\overrightarrow{PQ}$ is perpendicular to $\overrightarrow{AB}\;and\;\overrightarrow{CD}$ both.
cbse
class12
ch11
q26
p237
exemplar
difficult
sec-c
math
asked
Jan 4, 2013
by
sreemathi.v
1
answer
Show that the points $ (\hat i-\hat j+3 \hat k)\; and\;3(\hat i+\hat j+\hat k)$ are equidistant from the plane $ \overrightarrow{r}.(5 \hat i+2 \hat j-7 \hat k)+9=0$ and lies on opposite side of it.
cbse
class12
ch11
q25
p237
exemplar
medium
sec-c
math
asked
Jan 4, 2013
by
sreemathi.v
1
answer
Find the equation of the plane through the intersection of the planes $ \overrightarrow{r}.\quad(\hat i+3 \hat j)-6=0\; and\;\overrightarrow{r}.(3\hat i-\hat j-4 \hat k)=0,$ whose perpendicular distance from origin is unity.
cbse
class12
ch11
q24
p237
exemplar
medium
sec-c
math
asked
Jan 4, 2013
by
sreemathi.v
1
answer
The plane ax+by=0 is rotated about its line of intersection with the plane z=0 through an angle $\alpha$.Prove that the equation of the plane in its new position is $ax+by\pm \bigg(\sqrt {a^2+b^2}\tan \alpha\bigg)z=0$.
cbse
class12
ch11
q23
p237
exemplar
sec-c
math
asked
Jan 4, 2013
by
sreemathi.v
1
answer
Find the equation of the plane which is perpendicular to the plane $5x+3y+6z+8=0$ and which contains the line of intersection of the planes $x+2y+3z-4=0$ and $2x+y-z+5=0.$
cbse
class12
ch11
sec-c
q22
p237
exemplar
medium
math
asked
Jan 3, 2013
by
sreemathi.v
1
answer
Find the shortest distance between the lines given by $\overrightarrow{r}=(8+3\lambda)\hat i-(9+16\lambda)\hat j+(10+7\lambda)\hat k\; and\; \overrightarrow{r}=15\hat i+29\hat j+5\hat k+\mu(3\hat i+8\hat j-5\hat k)$
cbse
class12
ch11
q21
p237
exemplar
difficult
sec-c
math
asked
Jan 3, 2013
by
sreemathi.v
1
answer
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