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Mathematics
List of top Mathematics Questions asked in AIEEE
The normal at
$\left(2,\frac{3}{2}\right)$
to the ellipse,
$\frac{x^{2}}{16}+\frac{y^{2}}{3} = 1$
touches a parabola, whose equation is
AIEEE - 2012
AIEEE
Mathematics
Parabola
If the point
$(1, a)$
lies between the straight lines
$x + y = 1$
and
$2(x+y) = 3$
then a lies in interval
AIEEE - 2012
AIEEE
Mathematics
Straight lines
The parabola
$y^2=x$
divides the circle
$x^2 +y^2 = 2$
into two parts whose areas are in the ratio
AIEEE - 2012
AIEEE
Mathematics
Circle
If
$\frac{d}{dx}G\left(x\right) = \frac{e^{tan\,x}}{x},x\in\left(0, \pi/2\right),$
then
$\int\limits^{1/2}_{1/4} \frac{2}{x}. e^{tan\left(\pi\,x^2\right)}dx $
is equal to
AIEEE - 2012
AIEEE
Mathematics
integral
Let $a_{n}$ denote the number of all $n$ -digit positive integers formed by the digits 0,1 or both such that no consecutive digits in them are $0 .$ Let $b_{n}=$ the number of such $n$ -digit integers ending with digit 1 and $c_{n}=$ the number of such $n$ -digit integers ending with digit $0 .$ Which of the following is correct?
AIEEE - 2012
AIEEE
Mathematics
permutations and combinations
Let
$f : \left(-\infty, \infty\right) \to \left(-\infty , \infty \right)$
be defined by
$f(x) = x^3 + 1$
. The function f has a local extremum at
$x = 0$
The function f is continuous and differentiable on (-??,oo) and/'(0) = 0
AIEEE - 2012
AIEEE
Mathematics
Application of derivatives
If the sum of the series
$1^{2} + 2.2^{2} + 3^{2} + 2.4^{2} + 5^{2}+ ... 2.6^{2} +...$
upto n terms, when n is even, is
$\frac{n\left(n+1\right)^{2}}{2}$
, then the sum of the series, when n is odd, is
AIEEE - 2012
AIEEE
Mathematics
Sequence and series
A spherical balloon is filled with
$4500\,\pi$
cubic meters of helium gas. If a leak in the balloon causes the gas to escape at the rate of
$72\,\pi$
cubic meters per minute, then the rate (in meters per minute) at which the radius of the balloon decreases
$49$
minutes after the leakage began is
AIEEE - 2012
AIEEE
Mathematics
Application of derivatives
The value of cos
$255^{\circ}$
+ sin
$195^{\circ}$
is
AIEEE - 2012
AIEEE
Mathematics
Trigonometric Functions
Let A and B be real matrices of the form
$\begin{bmatrix}\alpha&0\\ 0&\beta\end{bmatrix}$
and
$\begin{bmatrix}0&\gamma\\ \delta&0\end{bmatrix}$
, respectively. AB - BA is always an invertible matrix. AB-BA is never an identity matrix.
AIEEE - 2012
AIEEE
Mathematics
Determinants
The weight $W$ of a certain stock of fish is given by $W= nw,$ where n is the size of stock and w is the average weight of a fish. If $n$ and $w$ change with time $t$ as $n=2t^{2}+3$ and $w=t^{2}-t+2,$ then the rate of change of $W$ with respect to $t$ at $t = 1$ is
AIEEE - 2012
AIEEE
Mathematics
Application of derivatives
The range of the function $f \left(x\right)=\frac{x}{1+\left|x\right|}, x\,\in\,R,$ is
AIEEE - 2012
AIEEE
Mathematics
Application of derivatives
The general solution of the differential equation $\frac{dy}{dx}+\frac{2}{x}y=x^{2}$ is
AIEEE - 2012
AIEEE
Mathematics
Differential equations
The equation of the circle passing through the point (1,2) and through the points of intersection of $x^2+y^2-4x-6y-21 = 0$ and $3x+4y+5 = 0$ is given by
AIEEE - 2012
AIEEE
Mathematics
Circle
The equation of a plane containing the line $\frac{x+1}{-3} = \frac{y-3}{2} = \frac{z+2}{1}$ and the point (0,7, - 7) is
AIEEE - 2012
AIEEE
Mathematics
Straight lines
$\int \limits \frac {sec^2x}{(secx+tan \, x)^{9/2}}dx $ equals to (for some arbitrary constant K)
AIEEE - 2012
AIEEE
Mathematics
integral
Three numbers are chosen at random without replacement from
$\{1, 2, 3, ..., 8\}$
. The probability that their minimum is
$3$
, given that their maximum is
$6$
is :
AIEEE - 2012
AIEEE
Mathematics
Conditional Probability
The value of k for which the equation
$(K - 2)x^2 + 8x + K + 4 = 0$
has both roots real, distinct and negative is
AIEEE - 2012
AIEEE
Mathematics
limits of trigonometric functions
The sum of the series
$1+\frac{4}{3}+\frac{10}{9}+\frac{28}{27}+.... $
upto
$n $
terms is
AIEEE - 2012
AIEEE
Mathematics
Sum of First n Terms of an AP
The population
$p(t)$
at time
$t$
of a certain mouse species satisfies the differential equation
$\frac{dp\left(t\right)}{dt} = 0.5 p\left(t\right) - 450.$
If
$p\left(0\right) = 850$
, then the time at which the population becomes zero is :
AIEEE - 2012
AIEEE
Mathematics
types of differential equations
The number of common tangents of the circles given by
$x^2+y^2-8x-2y +1 = 0$
and
$x^2+y^2 + 6x+8y = 0$
is
AIEEE - 2012
AIEEE
Mathematics
Circle
The integral of
$\frac{x^{2}-x}{x^{3}-x^{2}+x-1}$
w.r.t. x is
AIEEE - 2012
AIEEE
Mathematics
General and Particular Solutions of a Differential Equation
The area of the triangle whose vertices are complex numbers z, iz, z + iz in the Argand diagram is
AIEEE - 2012
AIEEE
Mathematics
Applications of Determinants and Matrices
The variance of first n odd natural numbers is
$\frac{n^{2}-1}{3}$
: The sum of first n odd natural number is
$n^2$
and the sum of square of first n odd natural numbers is
$\frac{n\left(4n^{2}-1\right)}{3}.$
AIEEE - 2012
AIEEE
Mathematics
Variance and Standard Deviation
An equation of a common tangent to the parabola
$y^{2} = 16\sqrt{3}x$
and the ellipse
$2x^{2} + y^{2} = 4$
is
$y = 2x + 2\sqrt{3}$
If the line
$y = mx + \frac{4\sqrt{3}}{m}, \left(m\ne0\right)$
is a common tangent to the parabola
$y^{2} = 16\sqrt{3}x$
and the ellipse
$2x^{2} + y^{2} = 4$
, then m satisfies
$m^{4} + 2m^{2} = 24.$
AIEEE - 2012
AIEEE
Mathematics
Tangents and Normals
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