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List of top Mathematics Questions asked in KCET
The diagonals of a parallelogram are the vectors
\(3\hat{i}+6\hat{j}-2\hat{k}\)
and
\(-\hat{i}-2\hat{j}-8\hat{k}\)
then the length of the shorter side of parallelogram is
KCET - 2021
KCET
Mathematics
Vector Algebra
A vector
\(\vec{a}\)
makes equal acute angles on the coordinate axis.Then the projection of vector
\(\vec{b}=5\hat{i}+7\hat{j}-\hat{k}\)
on
\(\vec{a}\)
is
KCET - 2021
KCET
Mathematics
Vector Algebra
The number of solutions of
\(\frac{dy}{dx}=\frac{y+1}{x-1}\)
when y(1) = 2 is
KCET - 2021
KCET
Mathematics
Differential equations
Solution of Differential Equating xdy – ydx = 0 represents
KCET - 2021
KCET
Mathematics
Differential equations
If the area of the Ellipse is
\(\frac{x^2}{25}+\frac{y^2}{\lambda^2}=1\)
is 20π square units, then λ is
KCET - 2021
KCET
Mathematics
Conic sections
The area of the region bounded by
\(y=\sqrt{16-x^2}\)
and x-axis is
KCET - 2021
KCET
Mathematics
Area under Simple Curves
The value of
\(\int\limits_0^{4042}\frac{\sqrt{x}\ dx}{\sqrt{x}+\sqrt{4042-x}}\)
is equal to
KCET - 2021
KCET
Mathematics
Definite Integral
If
\(I_n=^{\frac{\pi}{4}}_0\int\tan^n x\ dx\)
where n is positive integer then I
10
+ I
8
is equal to
KCET - 2021
KCET
Mathematics
Definite Integral
The value of
\(\int e^x[\frac{1+\sin x}{1+\cos x}]dx\)
is equal to
KCET - 2021
KCET
Mathematics
Definite Integral
The value of
\(\int\frac{xe^x dx}{(1+x)^2}\)
is equal to
KCET - 2021
KCET
Mathematics
Definite Integral
The value of
\(\int\frac{x^2dx}{\sqrt{x^6+a^6}}\)
is equal to
KCET - 2021
KCET
Mathematics
Definite Integral
\(\int\frac{x^3\sin(\tan^{-1}(x^4))}{1+x^8}dx\)
is equal to
KCET - 2021
KCET
Mathematics
Definite Integral
The maximum slope of the curve y = -x
3
+ 3x
2
+ 2x -27 is
KCET - 2021
KCET
Mathematics
Maxima and Minima
The function f(x) = x
2
- 2x is strictly decreasing in the interval
KCET - 2021
KCET
Mathematics
Increasing and Decreasing Functions
If the parabola y = αx
2
- 6x + β passes through the point (0, 2) and has its tangent at x =
\(\frac{3}{2}\)
parellel to x axis, then
KCET - 2021
KCET
Mathematics
Parabola
A particle starts form rest and its angular displacement (in radians) is given by
\(\theta=\frac{t^2}{20}+\frac{t}{5}\)
. If the angular velocity at the end of t = 4 is k, then the value of 5k is
KCET - 2021
KCET
Mathematics
Differential Calculus
If y = (x - 1)
2
(x - 2)
3
(x - 3)
5
then
\(\frac{dy}{dx}\)
at x = 4 is equal to
KCET - 2021
KCET
Mathematics
Differential Calculus
If the parametric equation of curve is given by x = cosθ + log tan
\(\frac{θ}{2}\)
and y = sinθ, then the points for which
\(\frac{dy}{dx}=0\)
are given by
KCET - 2021
KCET
Mathematics
Derivatives of Functions in Parametric Forms
Consider the following statements :
Statement 1 : If y = log
10
x + log
e
x then
\(\frac{dy}{dx}=\frac{\log_{10}e}{x}+\frac{1}{x}\)
Statement 2 :
\(\frac{d}{dx}(\log_{10}x)=\frac{\log x}{\log 10}\ \text{and}\ \frac{d}{dx}(\log_ex)=\frac{\log x}{\log e}\)
KCET - 2021
KCET
Mathematics
Derivatives
For constant a,
\(\frac{d}{dx}\)
(x
x
+ x
a
+ a
x
+ a
a
) is
KCET - 2021
KCET
Mathematics
Differential Calculus
If y = (cosx
2
)
2
, then
\(\frac{dy}{dx}\)
is equal to
KCET - 2021
KCET
Mathematics
Derivatives
At x = 1, the function f(x) =
\(\left\{ \begin{aligned} & x^3-1\ \ \ \ \ \ 1<x<\infin \\ & x-1\ \ \ \ \ -\infin<x≤1 \\ \end{aligned} \right.\)
is
KCET - 2021
KCET
Mathematics
Functions
If x
3
- 2x
2
- 9x + 18 = 0 and A =
\(\begin{vmatrix} 1 & 2 & 3 \\ 4 & x & 6 \\ 7 & 8 & 9 \\ \end{vmatrix}\)
then the maximum value of A is
KCET - 2021
KCET
Mathematics
Determinants
If f(x) =
\(\begin{vmatrix} cosx & 1 & 0 \\ 0 & 2cosx & 3 \\ 0 & 1 & 2cosx \\ \end{vmatrix}\)
then
\(\lim\limits_{x\rightarrow\pi} f(x)=\)
KCET - 2021
KCET
Mathematics
limits of trigonometric functions
If A and B are invertible matrices then which of the following is not correct ?
KCET - 2021
KCET
Mathematics
Invertible Matrices
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