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Mathematics
List of top Mathematics Questions asked in JEE Advanced
The line passing through the extremity A of the major axis and extremity B of the minor axis of the ellipse
$x^2 + 9y^2 = 9$
meets its auxiliary circle a t the point M. Then, the area (insqunits) of the triangle with vertices at A, M and the origin O is
JEE Advanced - 2009
JEE Advanced
Mathematics
Conic sections
$ \, if \, I_ n = \int^{\pi}_{ -\pi} \frac { \sin \, n \, x }{ ( 1 + \pi ^x ) \sin \, x } dx , \, n = 0 , 1 , 2 , .............., then $
JEE Advanced - 2009
JEE Advanced
Mathematics
Integrals of Some Particular Functions
Let
$z = \cos \theta + i \sin \theta$
. Then, the value of
$\displaystyle \sum _{m=0}^{15} Im (z^{2m-1})$
at
$\theta = 2^\circ$
is
JEE Advanced - 2009
JEE Advanced
Mathematics
Complex Numbers and Quadratic Equations
The number of seven-digit integers, with sum of the digits equal to
$10$
and formed by using the digits
$1, 2$
and
$3$
only, is
JEE Advanced - 2009
JEE Advanced
Mathematics
Combinations
The locus of the orthocentre of the triangle formed by the lines
$(1 + p )x -p y + p (1 + p) = 0 (1+ q)x-qy + < 7(1+ q) = 0$
and
$y = 0$
, where
$p\ne q$
is
JEE Advanced - 2009
JEE Advanced
Mathematics
x-intercepts and y-intercepts
An ellipse intersects the hyperbola
$2x^2-2y^2=1$
orthogonally. The eccentricity of the ellipse is reciprocal to th a t of the hyperbola. If the axes of the ellipse are along the coordinate axes, then
JEE Advanced - 2009
JEE Advanced
Mathematics
Conic sections
Let
$f$
be a non-negative function defined on the interval [0,1].if
$\int_0^x \sqrt{1-(f'(t))^2}dt = \int_0^x f(t) dt , 0 \le x \le 1$
and
$f (0) = 0$
, then
JEE Advanced - 2009
JEE Advanced
Mathematics
Integrals of Some Particular Functions
In a
$\triangle$
ABC w ith fixed base BC, the vertex A moves such that cos B + cos C = 4
$ sin^2 \frac{A}{2}$
. If a, b and c denote th e lengths of th e sides of th e triangle opposite to the angles A, B and C respectively, then
JEE Advanced - 2009
JEE Advanced
Mathematics
Trigonometric Equations
A line with positive direction cosines passes through the point
$P (2, -1, 2)$
and makes equal angles with the coordinate axes. The line meets the plane
$2x + y+ z = 9$
at point
$Q$
. The length of the line segment
$PQ$
equals
JEE Advanced - 2009
JEE Advanced
Mathematics
Three Dimensional Geometry
In a
$\triangle$
ABC w ith fixed base BC, the vertex A moves such that cos B + cos C = 4
$ sin^2 \frac{A}{2}$
. If a, b and c denote th e lengths of th e sides of th e triangle opposite to the angles A, B and C respectively, then
JEE Advanced - 2009
JEE Advanced
Mathematics
Trigonometric Equations
The edges of a parallelopiped are of unit length and are parallel to non-coplanar unit vector
$\widehat{a},\widehat{b},\widehat{c}$
such that
$\widehat{a}.\widehat{b}=\widehat{b}.\widehat{c}=\widehat{c}.\widehat{a}=\frac{1}{2}.$
Then, the volume of the parallelopiped is
JEE Advanced - 2008
JEE Advanced
Mathematics
Vectors
Let
$S_n= \displaystyle \sum_{k=0}^n \frac{n}{n^2+kn+k^2} \, and \, T_n= \displaystyle \sum_{k=0}^{n-1} \frac{1}{n^2+kn+k^2} , \, for \, $
$n = 1 ,2 ,3 $
,... Then,
JEE Advanced - 2008
JEE Advanced
Mathematics
Integrals of Some Particular Functions
If
$0 < x < 1$
, then
$\sqrt{1+x^2}[\{x cos(cot^{-1}x)$
$+sin(cot^{-1}x)\}^2-1]^{1/2}$
is equal to
JEE Advanced - 2008
JEE Advanced
Mathematics
Inverse Trigonometric Functions
Let
$g(x) = \frac{(x -1)^n}{\log \cos^m (x -1)} ; 0 < x < 2 , m $
and
$n$
are integers, m
$\neq$
0, n > 0 , and let
$p$
be the left hand derivative of
$|x - 1|$
at
$x = 1$
. If
$\displaystyle \lim_{x \to 1^{+}} \, g(x) = p $
, then
JEE Advanced - 2008
JEE Advanced
Mathematics
limits and derivatives
Let a and b be non-zero and real numbers. Then, the equation
$ (ax^2 + by^2 + c) \, ( x^2 - 5xy + 6y^2) = 0 $
represents
JEE Advanced - 2008
JEE Advanced
Mathematics
Straight lines
The area of the region between the curves
$ y= \sqrt \frac{1 + sin x}{cos x} $
and
$ y= \sqrt \frac{1 - sin x}{cos x} $
and bounded by the lines
$x = 0$
and
$ x = \frac{\pi}{4} $
is
JEE Advanced - 2008
JEE Advanced
Mathematics
applications of integrals
An experiment has
$10$
equally likely outcomes. Let
$A$
and
$B$
be two non-empty events of the experiment. If
$A$
consists of
$4$
outcomes, then the number of outcomes that
$B$
must have, so that
$A$
and
$B$
are independent, is
JEE Advanced - 2008
JEE Advanced
Mathematics
Probability
Consider a branch of the hyperbola
$x^2 - 2y^2 - 2\sqrt2x - 4\sqrt2y - 6 = 0$
with vertex at the point A. Let B be one of the end points of its latusrectum. If C is the focus of the hyperbola nearest to the point A, then the area of the
$\Delta ABC$
is
JEE Advanced - 2008
JEE Advanced
Mathematics
Conic sections
Let
$\alpha$
,
$\beta$
be the roots of the equation
$x^2-px+r=0$
and
$\frac{\alpha}{2},2\beta$
be the roots of the equation
$x^2-qx+r=0.$
Then, the value of r is
JEE Advanced - 2007
JEE Advanced
Mathematics
Complex Numbers and Quadratic Equations
$ lim_ { x \to \frac{\pi}{4}} \frac{ \int \limits_2^{sec^2 \, x} \, f \, (t) \, dt }{ x^2 - \frac{\pi^2}{ 16}} $
equals
JEE Advanced - 2007
JEE Advanced
Mathematics
Integrals of Some Particular Functions
Let
$0(0, 0), P(3, 4)$
and
$Q(6, 0)$
be the vertices of a
$\Delta$
OP The point R inside the
$\Delta OPQ$
is such th at the triangles
$OPR, PQR$
and
$OQR $
are of equal area. The coordinates of R are
JEE Advanced - 2007
JEE Advanced
Mathematics
Straight lines
One Indian and four American men and their wives are to be seated randomly around a circular table. Then, the conditional probability that Indian m an is seated adjacent to his wife given that each American man is seated adjacent to his wife, is
JEE Advanced - 2007
JEE Advanced
Mathematics
Probability
Let
$\overrightarrow{a},\overrightarrow{b},\overrightarrow{c}$
be unit vectors such that
$\overrightarrow{a}+\overrightarrow{b}+\overrightarrow{c}=\overrightarrow{0}.$
Which one of the following is correct?
JEE Advanced - 2007
JEE Advanced
Mathematics
Vector Algebra
The number of distinct real values of
$\lambda$
, for which the vectors
$-\lambda^2\widehat{i}+\widehat{j}+\widehat{k}, \widehat{i}-\lambda^2\widehat{j}+\widehat{k}$
and
$\widehat{i}+\widehat{j}-\lambda^2\widehat{k}$
are coplanar, is
JEE Advanced - 2007
JEE Advanced
Mathematics
Vector Algebra
Let
$E^c$
denotes the complement of an event
$E$
. If
$E, F, G$
are pairwise independent events with
$P (G) > 0$
and
$P(E \cap F \cap G)=0$
then ,
$P(E^c \cap F^c|G) equals$
JEE Advanced - 2007
JEE Advanced
Mathematics
Probability
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