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Mathematics
List of top Mathematics Questions asked in KCET
The locus of the point of intersection of the tangents drawn at the ends of a focal chord of the parabola
$x^2=-8y$
is _______
KCET - 2010
KCET
Mathematics
Conic sections
The points
$(1, 0), (0, 1), (0, 0) $
and
$ (2k, 3k),k \neq 0$
are concyclic if
$k$
= _____
KCET - 2010
KCET
Mathematics
Conic sections
The area bounded by the curve $ y= \begin{cases} x^2,x<0 & \quad\\ x,x \geq 0 & \quad \\ \end{cases}
$ and the line $
y = 4$ is
KCET - 2010
KCET
Mathematics
Area between Two Curves
The eccentric angle of the point
$(2,\sqrt{3})$
lying on
$\frac {x^2}{16}+\frac{y^2}{4}-1$
is _________
KCET - 2010
KCET
Mathematics
Ellipse
If
$x\neq n \pi ,\, x \neq\,(2n+1)\frac {\pi}{2}.n\in Z, $
then
$\frac {Sin^{-1}(Cos x) + Cos^{-1}(Sin x)}{Tan ^{-1}(Cot x)+ Cot^{-1}(Tan x)} $
=
KCET - 2010
KCET
Mathematics
Inverse Trigonometric Functions
In
$\Delta ABC$
, if
$a =2, B = \tan ^{-1} \frac {1}{2}$
and
$C = \tan ^{-1}\frac{1}{3}$
, then
$(A,b)$
=
KCET - 2010
KCET
Mathematics
Inverse Trigonometric Functions
The condition for the line
$y = mx +c$
to be a normal to the parabola
$y = 4ax$
is _______
KCET - 2010
KCET
Mathematics
Conic sections
The set of real values of x for which
$ f(x) = \frac {x}{log\, x}$
increasing, is
KCET - 2010
KCET
Mathematics
Application of derivatives
$P$
is the point of contact of the tangent from the origin to the curve
$y = log_ex$
The length of the perpendicular drawn from the origin to the normal at
$P$
is ______
KCET - 2010
KCET
Mathematics
Application of derivatives
The length of the diameter of the circle which cuts three circles
$x^2 + y^2 - x - y - 14 = 0;$
$x^2 + y^2 + 3x - 5y - 10 = 0 ;$
$x^2 + y^2 - 2x + 3y - 27 = 0$
orthogonally, is
KCET - 2009
KCET
Mathematics
Circle
If If
$n =(2020)$
, then
$\frac {1}{\log_2n}+\frac {1}{\log_3n}+\frac {1}{\log_4n}+............+\frac {1}{\log_{2020} n}$
KCET - 2009
KCET
Mathematics
Sequence and series
If
$\vec{a}+2\vec{b}+3\vec{c}=\vec{0}$
then
$\vec{a} \times \vec{b}+\vec{b} \times \,\vec{c}+\vec{c} \times \vec{a} $
=
KCET - 2009
KCET
Mathematics
Vector Algebra
If
$A$
and
$B$
are square matrices of the same order such that
$(A + B) (A -B) = A^2-B^2$
then
$(ABA^{-1} )^2=$
KCET - 2009
KCET
Mathematics
Matrices
The negation of
$p{\land}(q \to \sim r)$
is
KCET - 2009
KCET
Mathematics
validating statements
If
$'n '$
is a positive integer, then
$n^3 + 2n$
is divisible by
KCET - 2009
KCET
Mathematics
Definite Integral
On the set of integers
$Z$
. define
$f: Z \to Z$
as $ f(n) = \begin{cases} n/2 & \quad \text{if } n \text{ is even}\\ 0 & \quad \text{if } n \text{ is odd}\\ \end{cases}
$ then $
'f'$ is
KCET - 2009
KCET
Mathematics
types of functions
The complex number
$\frac {1+2i}{1-i}$
lies in
KCET - 2009
KCET
Mathematics
complex numbers
A cow is tied to a post by a rope. The cow moves along the circular path always keeping the rope tight. If it describes
$44\, metres$
, when it has traced out
$72^\circ$
at the centre, the length of the rope is
KCET - 2009
KCET
Mathematics
Trigonometric Functions
For the parabola
$y^2 = 4x$
, the point
$P$
whose focal distance is
$17$
, is
KCET - 2009
KCET
Mathematics
Conic sections
The area bounded between the parabola
$y^2= 4x$
and the line
$y = 2x - 4$
is equal to
KCET - 2009
KCET
Mathematics
Area between Two Curves
$\cot^{-1} (2.1^{2})+\cot^{-1} (2.2^{2})+\cot^{-1}(2.3^2)+$
.........up to
$\infty$
=
KCET - 2009
KCET
Mathematics
Inverse Trigonometric Functions
The number of subgroups of the group
$(Z_5, +_5)$
is
KCET - 2009
KCET
Mathematics
Relations and functions
If $A=\begin{bmatrix} {2}&{1} &{0}\\ {0}&{2}& {1} \\ {1}&{0}&{2}\\ \end{bmatrix}
$ then $
| adj A|$ =
KCET - 2009
KCET
Mathematics
Determinants
If
$\alpha$
and
$\beta$
are the roots of
$x^2 + x + 1 = 0$
then
$\alpha^{16}+\beta^{16}$
=
KCET - 2009
KCET
Mathematics
Complex Numbers and Quadratic Equations
If one side of a triangle is double the other and the angles opposite to these sides differ by
$60^\circ$
, then the triangle is
KCET - 2009
KCET
Mathematics
Trigonometric Functions
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