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Mathematics
List of top Mathematics Questions asked in JKCET
Let
\(f:R\to R\)
be a function such that the third derivative of
\(f(x)\)
vanishes for all
\(x\)
. If
\(f(0)=1,\,f'(2)=4\)
and
\(f''(1)=2,\)
then
\(f(x)\)
equals to
JKCET - 2012
JKCET
Mathematics
Differentiability
In the binomial expansion of
$ {{(a-b)}^{n}},\,\,n\,\,\ge \,5, $
the sum of
$5^{th}$
and
$6^{th}$
term is zero. Then,
$ \frac{a}{b} $
is equal to
JKCET - 2012
JKCET
Mathematics
Binomial theorem
The angle between the two lines
$ \frac{2-x}{1}=\frac{y}{2}=\frac{z+3}{1} $
and
$ \frac{x-4}{4}=\frac{y-1}{1}=\frac{z-5}{2} $
is
JKCET - 2012
JKCET
Mathematics
Three Dimensional Geometry
If
$ f(x)={{\log }_{e}}\,(1+x)-{{\log }_{e}}(1-x), $
then the value of
$ \int_{-1/2}^{1/2}{f(x)\,\,\,dx} $
equals to
JKCET - 2012
JKCET
Mathematics
Integrals of Some Particular Functions
The value of
$a$
for which the volume of parallelepiped formed by the vectors
$\hat {i}+a\hat{j} + \hat{k} \,\, \hat{j}+a\hat{k} $
and
$ a\hat{i}+\hat{k} $
is minimum, is
JKCET - 2012
JKCET
Mathematics
Addition of Vectors
If mean and variance of a binomial variate X are 2 and 1 respectively, then the probability that X takes a value atleast one is
JKCET - 2012
JKCET
Mathematics
binomial distribution
Let
$A$
and
$B$
be two mutually exclusive events such that
$ P(A\cap {{B}^{c}})=0.25 $
and
$ P({{A}^{c}}\cap B)=0.5 $
. Then,
$ P\{(A\cup {{B}^{c}})\} $
is equal to
JKCET - 2012
JKCET
Mathematics
Probability
If the product of
$n$
positive real numbers is one, then their sum is
JKCET - 2012
JKCET
Mathematics
Sequence and series
The probability that atleast one of the events
$A$
and
$B$
occurs is
$ 0.5 $
. If
$A$
and
$B$
occur simultaneously with probability
$ 0.2, $
then
$ P({{A}^{c}})+P({{B}^{c}}) $
is equal to
JKCET - 2012
JKCET
Mathematics
Probability
Let $ f(x)=\frac{k}{1+{{x}^{2}}},\,-\infty < x < \infty
$ be the probability density of a random variable. Then, $
k$ equals to
JKCET - 2012
JKCET
Mathematics
Probability
The sum of
$n$
terms of the series
$ \frac{3}{{{1}^{2}}{{.2}^{2}}}+\frac{5}{{{2}^{2}}{{.3}^{2}}}+\frac{7}{{{3}^{2}}{{.4}^{2}}}+..... $
is equal to
JKCET - 2012
JKCET
Mathematics
Sequence and series
If
$ f(x)=\int_{1}^{x}{\sqrt{4-{{t}^{2}}}}\,\,\,dt, $
then real roots of the equation
$ x-f'(x)=0 $
are
JKCET - 2012
JKCET
Mathematics
Integrals of Some Particular Functions
The value of
$ \sum\limits_{n=0}^{\infty }{\frac{{{n}^{2}}+4}{n\,!}} $
is equal to
JKCET - 2011
JKCET
Mathematics
Sequence and series
The equation of the plane perpendicular to the
$z$
-axis and passing through
$ (2,-3,5) $
is
JKCET - 2011
JKCET
Mathematics
Three Dimensional Geometry
If
$A$
is a square matrix of order
$3$
and a is a real number, then determinant
$ |\alpha \,\,\,A| $
is equal to
JKCET - 2011
JKCET
Mathematics
Determinants
If
$ {{4}^{x}}={{16}^{y}}={{64}^{z}}, $
then
JKCET - 2011
JKCET
Mathematics
Sequence and series
The contrapositive statement of the proposition
$ p\to \sim q $
is
JKCET - 2011
JKCET
Mathematics
Statements
The value of the integral
$ \int{\frac{1}{{{e}^{2x}}+{{e}^{-2x}}}}\,\,dx $
is equal to
JKCET - 2011
JKCET
Mathematics
Some Properties of Definite Integrals
The number of straight lines which can be drawn through the point
$ (-2,\,\,\,2) $
so that its distance from
$ (-3,\,\,1) $
will be equal
$6$
units is
JKCET - 2011
JKCET
Mathematics
Shortest Distance between Two Lines
The ratio in which ZX-plane divides the line segment AB joining the points
$ A(4,2,3) $
and
$ B(-2,4,5) $
is equal to
JKCET - 2011
JKCET
Mathematics
introduction to three dimensional geometry
A force
$2$
units acts along the line
$ x-4=y-5. $
The moment of the force about the point
$ (1,\,\,1) $
along
$Z-axis$
is equal to
JKCET - 2011
JKCET
Mathematics
Straight lines
If
$ f(x)\,=kx\,-\,\cos \,x $
is monotonically increasing for all
$ x\in R, $
then
JKCET - 2011
JKCET
Mathematics
Application of derivatives
The value of
$k$
for which the equation
$ {{x}^{2}}-4xy-{{y}^{2}}+6x+2y+k=0 $
represents a pair of straight lines is
JKCET - 2011
JKCET
Mathematics
Straight lines
The three distinct points
$ A(at_{1}^{2},\,2a{{t}_{1}}),\,\,B(at_{2}^{2},\,\,2a{{t}_{2}}) $
and
$ C(0,\,a) $
(where
$a$
is a real number) are collinear, if
JKCET - 2011
JKCET
Mathematics
Determinants
The value of
$ \cos \frac{\pi }{7}.\,\cos \frac{2\pi }{7}.\,\cos \frac{4\pi }{7} $
is equal to
JKCET - 2011
JKCET
Mathematics
Trigonometric Functions
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