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Mathematics
List of top Mathematics Questions asked in KEAM
The modulus of
\((\frac{1+i}{1-i})^{75}-(\frac{1-i}{1+i})^{75}\)
is
KEAM - 2022
KEAM
Mathematics
Complex Numbers and Quadratic Equations
If
\(|\bar{a}|=\sqrt{14},|\bar{b}|=\sqrt{10},|\bar{a}-\bar{b}|=\sqrt{24}\ and\ \theta\)
is angle between
\(\bar{a}\ and\ \bar{b}\)
, then
\(\cos\theta=\)
KEAM - 2022
KEAM
Mathematics
Vector Algebra
The normal to the curve y=√x at the point (25, 5) intersects the y-axis at
KEAM - 2022
KEAM
Mathematics
Measures of Dispersion
Three fair dice are rolled simultaneously. Let a, b, c be the numbers on the top of the dice. Then the probability that min(a, b, c) =6 is
KEAM - 2022
KEAM
Mathematics
Probability
Air is blown into a spherical balloon. If its diameter d is increasing at the rate of 3 cm/min, then the rate at which the volume of the balloon is increasing when d = 10 cm, is
KEAM - 2022
KEAM
Mathematics
Application of derivatives
The 11
th
term of the geometric series
\(\displaystyle\sum^{20}_{r=0}2\times(-2)^r\)
is equal to
KEAM - 2022
KEAM
Mathematics
Sequence and series
The number of arrangements containing all the seven letter of the word ALRIGHT that begins with LG is
KEAM - 2022
KEAM
Mathematics
permutations and combinations
The sum of the first 24 terms of the series 9+13+17+...... is equal to
KEAM - 2022
KEAM
Mathematics
Arithmetic Progression
Consider the linear programming problem:
Maximize z=10x+5y
subject to the constraints
2x+3y≤120
2x + y ≤ 60
x,y≥0.
Then the coordinates of the corner points of the feasible region are
KEAM - 2022
KEAM
Mathematics
Linear Programming Problem
The integrating factor of the differential equation 4xdy-e
-2y
dy + dx = 0 is
KEAM - 2022
KEAM
Mathematics
Differential equations
A particular solution of the differential equation
\(\frac{dy}{dx}=xy^2\)
with y(0)=1 is
KEAM - 2022
KEAM
Mathematics
Differential equations
The general solution of the differential equation
\((x^2y^2+y)dx-(x-2x^3y)dy=0\)
is
KEAM - 2022
KEAM
Mathematics
Differential equations
The value of
\(\displaystyle\int^{\frac{\pi}{16}}_{0}\cos6x\cos2xdx\)
is equal to
KEAM - 2022
KEAM
Mathematics
Integration
The value of
\(\displaystyle\int^{\frac{\pi}{2}}_{\frac{\pi}{6}}\frac{\cot x}{\sin x}dx \)
is equal to
KEAM - 2022
KEAM
Mathematics
Integration
The area bounded by the curve y = x(2-x) and the line y=x is
KEAM - 2022
KEAM
Mathematics
applications of integrals
\(\int\frac{dx}{x^2-x}=\)
KEAM - 2022
KEAM
Mathematics
Integration
The value of
\(\displaystyle\int^{10}_{-10}\frac{x^{10}\sin x}{\sqrt{1+x^{10}}}dx\)
is equal to
KEAM - 2022
KEAM
Mathematics
Integration
The value of
\(\int^{2}_{-1}(x-2)|x|)dx\)
is equal to
KEAM - 2022
KEAM
Mathematics
Integration
If
\(f(x) = \begin{cases} \cos x & for\ x\geq0 \\ 2x &for\ x\lt0 \end{cases}\)
, then the value of
\(\displaystyle\int^{\frac{\pi}{2}}_{-2}dx\)
is equal to
KEAM - 2022
KEAM
Mathematics
Definite Integral
\(\int\sin^3xdx+\int\cos^2x\sin xdx=\)
KEAM - 2022
KEAM
Mathematics
Integration
Let f(x)=cosx for
\(0\leq x \leq\frac{\pi}{3}\)
. Then the value of c which satisfies the conclusion of the Mean Value Theorem for the function f on
\([0,\frac{\pi}{3}]\)
is equal to
KEAM - 2022
KEAM
Mathematics
Measures of Dispersion
\(\int\frac{sin^{25}x}{cos^{27}x}dx\)
is equal to
KEAM - 2022
KEAM
Mathematics
integral
\(\int\frac{1}{x^3}\sqrt{1-\frac{1}{x^2}}dx=\)
KEAM - 2022
KEAM
Mathematics
Integration
\(\int\frac{e^{\frac{1}{\sqrt t}}}{t\sqrt t}dt=\)
KEAM - 2022
KEAM
Mathematics
Integration
\(\int(\tan^2(2x)-\cot^2(2x))dx=\)
KEAM - 2022
KEAM
Mathematics
Integration
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