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Mathematics
List of top Mathematics Questions asked in KCET
The general solution of the differential equation
$\frac {dy}{dx}+\frac {y}{x}=3x$
is
KCET - 2014
KCET
Mathematics
homogeneous differential equation
If the function
$f(x)$
defined by
$\frac {x^{100}}{100}+\frac {x^{99}}{100}+\dots \frac {x^2}{100}+x+1$
then
$f'(0)$
is equal to
KCET - 2014
KCET
Mathematics
limits and derivatives
Given
$0 \leq x \leq \frac {1}{2}$
then the value of
$\tan \left[\sin^{-1}\left\{\frac{x}{\sqrt {2}}+\frac {\sqrt {1-x^2}} {\sqrt {2}}\right\}-\sin^{-1}x\right]$
is
KCET - 2014
KCET
Mathematics
Inverse Trigonometric Functions
If
$a, b$
and
$c$
are in A.P., then the value of
$\begin{vmatrix} {x+2}&{x+3} &{x+a}\\ {x+4}&{x+5}& {x+b} \\ {x+6}&{x+7} &{x+c}\\ \end{vmatrix}$
is
KCET - 2014
KCET
Mathematics
Determinants
How many
$5$
digit telephone numbers can be constructed using the digits
$0$
to
$9$
, if each number starts with
$67$
and no digit appears more than once ?
KCET - 2014
KCET
Mathematics
permutations and combinations
Area of the region bounded by two parabolas
$y\, =\, x^2$
and
$x \,= \, y^2 $
is
KCET - 2014
KCET
Mathematics
applications of integrals
The area of the parallelogram whose adjacent sides are
$\hat{i}+ \hat {k} $
and
$2\hat {i}+\hat {j}+\hat {k}$
is
KCET - 2014
KCET
Mathematics
Product of Two Vectors
The order and degree of the differential equation
$y=x\frac{dy}{dx}+\frac{2}{\frac{dy}{dx}}$
is
KCET - 2014
KCET
Mathematics
Order and Degree of Differential Equation
The value of
$\sin (2\, \sin^{-1}\, 0.8)$
is equal to
KCET - 2014
KCET
Mathematics
Inverse Trigonometric Functions
The value of the integral
$\int_\limits{-\pi/4}^{\pi/4} \log (\sec \theta-\tan \theta) d \theta$
is
KCET - 2014
KCET
Mathematics
Some Properties of Definite Integrals
A stone is dropped into a quiet lake and waves move in circles at the speed of
$5\, cm/sec$
. At that instant, when the radius of circular wave is
$8 \,cm$
, how fast is the enclosed area increasing ?
KCET - 2014
KCET
Mathematics
Application of derivatives
If
$A$
is
$3 \times 4$
matrix and
$B$
is a matrix such that
$A'B$
and
$BA'$
are both defined. Then
$B$
is of the type
KCET - 2014
KCET
Mathematics
Matrices
The angle between two diagonals of a cube is
KCET - 2014
KCET
Mathematics
Three Dimensional Geometry
In a triangle
$ABC, a[b \,cos \,C - c\, cos\, B]$
=
KCET - 2014
KCET
Mathematics
Trigonometric Functions
The symmetric part of the matrix $A =\begin{bmatrix} {1}&{2} &{4}\\ {6}&{8}& {2} \\ {2}&{-2}&{7}\\ \end{bmatrix} $ is
KCET - 2014
KCET
Mathematics
Matrices
The value of
$[( a - b )( b - c )( c - a )]$
is equal to
KCET - 2014
KCET
Mathematics
Vector Algebra
If the line
$6x - 7y + 8 + \lambda (3x - y + 5) = 0$
is parallel to y-axis, then
$\lambda$
is equal to
KCET - 2013
KCET
Mathematics
Straight lines
The number of real circles cutting orthogonally the circle
$x^2 + y^2 + 2x - 2y + 7 = 0$
is
KCET - 2013
KCET
Mathematics
Circle
If
$\sin x- \sin y = \frac {1}{2}$
and
$\cos x- \cos y = 1$
, then
$ \tan(x + y) $
is equal to
KCET - 2013
KCET
Mathematics
Trigonometric Functions
If the determinant of the adjoint of a (real) matrix of order
$3$
is
$25$
, then the determinant of the inverse of the matrix is
KCET - 2013
KCET
Mathematics
Determinants
If the area of the auxiliary circle of the ellipse
$\frac {x^2}{a^2}+\frac {y^2}{b^2}=1 (a >\, b)$
is twice the area of the ellipse, then the eccentricity of the ellipse is
KCET - 2013
KCET
Mathematics
Conic sections
The range of the function
$f(x)= \sin [x],-\frac {\pi}{4} < x < \frac {\pi}{4}$
where
$[x]$
denotes the greatest integer
$\leq x$
, is ________
KCET - 2013
KCET
Mathematics
Trigonometric Functions
If
$a$
is a vector perpendicular to both
$b$
and
$c$
, then
KCET - 2013
KCET
Mathematics
Vector Algebra
The angle between the lines
$\sin^2 \alpha \cdot y^2 - 2xy \cdot \cos^2 \alpha + (\cos^2 \alpha - 1)x^2 = 0$
, is
KCET - 2013
KCET
Mathematics
Straight lines
The equation of the tangent to the parabola $y^2 = 4x$ inclined at an angle of $\frac{\pi}{4}$ to the $+ve$ direction of $x$-axis is
KCET - 2013
KCET
Mathematics
Conic sections
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