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Mathematics
List of top Mathematics Questions asked in AP EAPCET
In a triangle $ABC$, $\dfrac{a}{b} = 2 + \sqrt{3}$ and $\angle C = 60^\circ$. Then the measure of $\angle A$ is
AP EAPCET - 2022
AP EAPCET
Mathematics
Trigonometry
Suppose a parabola with focus at
$(0,0)$
has
$x - y + 1 = 0$
as its tangent at the vertex. Then the equation of its directrix is
AP EAPCET - 2022
AP EAPCET
Mathematics
Conic sections
If the point \( (2, \lambda) \) lies inside the circles \( x^2 + y^2 = 13 \) and \( x^2 + y^2 + x - 2y = 14 \), then \( \lambda \) lies in the set:
AP EAPCET - 2022
AP EAPCET
Mathematics
Coordinate Geometry
If the curves \( y = x^3 - 3x^2 - 8x - 4 \) and \( y = 3x^2 + 7x + 4 \) touch each other at a point \( P \), then the equation of the common tangent at \( P \) is
AP EAPCET - 2022
AP EAPCET
Mathematics
Calculus
The set of all \( x \) for which \( \sin x \leq x \) is:
AP EAPCET - 2022
AP EAPCET
Mathematics
Calculus
Condition that two curves \( y^2 = 4ax \) and \( xy = c^2 \) cut orthogonally is:
AP EAPCET - 2022
AP EAPCET
Mathematics
Calculus
If \( \int \frac{1 + \sqrt{\tan x}}{\sin 2x} dx = A \log \tan x + B \tan x + C \), then \( 4A - 2B = \):
AP EAPCET - 2022
AP EAPCET
Mathematics
Calculus
If the point
$(a, 8, -2)$
divides the line segment joining the points
$(1, 4, 6)$
and
$(5, 2, 10)$
in the ratio
$m:n$,
then
$\dfrac{2m}{n} - \dfrac{a}{3} =$
AP EAPCET - 2022
AP EAPCET
Mathematics
3D Geometry
The mean deviation about the mean for the given data:
Marks Obtained
0–20
20–40
40–60
60–80
80–100
Number of Students
10
8
12
9
11
AP EAPCET - 2022
AP EAPCET
Mathematics
Statistics
Evaluate:
\[ \lim_{x \to 0} \frac{\sqrt{11 + |x|} - 6\sqrt{2 + |x|}}{6 - 2\sqrt{2 + |x|}} \]
AP EAPCET - 2022
AP EAPCET
Mathematics
Limits
Evaluate the integral \( \int \frac{x^2 - 2}{x^3 \sqrt{x^2 - 1}} \, dx \)
AP EAPCET - 2022
AP EAPCET
Mathematics
Integration
Let $$ I_n = \int (\cos^n x + \sin^n x) \, dx,\quad \text{and} \quad \frac{n - 1}{n} I_{n - 2} = \frac{\sin x \cos x}{n} f(x) $$ Then, what is $ f(x) $?
AP EAPCET - 2022
AP EAPCET
Mathematics
Integration
Let \( \vec{OA} = -4\hat{i} + 3\hat{k} \), \( \vec{OB} = 14\hat{i} + 2\hat{j} - 5\hat{k} \), and vector \( \vec{OD} \) bisects \( \angle AOB \), with \( |\vec{OD}| = \sqrt{6} \). Then: \[ \vec{OD} = ? \]
AP EAPCET - 2022
AP EAPCET
Mathematics
Vectors
If $\vec{a} + \vec{b} + \vec{c} = 0$, and $|\vec{a}| = 7$, $|\vec{b}| = 5$, $|\vec{c}| = 3$, then the angle between $\vec{b}$ and $\vec{c}$ is
AP EAPCET - 2022
AP EAPCET
Mathematics
Vectors
By eliminating the arbitrary constants from \[ y = (a + b)\sin(x + c) - de^{x + te^t} \] the differential equation obtained is of order:
AP EAPCET - 2022
AP EAPCET
Mathematics
Differential Equations
Evaluate: \( 1 + \cot^2 30^\circ - \sec^2 45^\circ \)
AP EAPCET - 2022
AP EAPCET
Mathematics
Trigonometric Identities
The length of the intercept on the line
$4x - 3y - 10 = 0$
by the circle
$x^2 + y^2 - 2x + 4y - 26 = 0$
is
AP EAPCET - 2022
AP EAPCET
Mathematics
Coordinate Geometry
The equation of the tangent to the circle \( x^2 + y^2 = 9 \) making an angle \( 60^\circ \) with the x-axis is:
AP EAPCET - 2022
AP EAPCET
Mathematics
Coordinate Geometry
Suppose, in triangle $\triangle ABC$, $x - y + 5 = 0$, $x + 2y = 0$ are respectively the equations of the perpendicular bisectors of the sides $AB$ and $AC$. If $A$ is $(1, -2)$, the equation of the line joining $B$ and $C$ is
AP EAPCET - 2022
AP EAPCET
Mathematics
Coordinate Geometry
In a square ABCD of side length a, suppose AB and AD are along the coordinate axes. Then the circle that circumscribes the square is
AP EAPCET - 2022
AP EAPCET
Mathematics
Coordinate Geometry
If the equation of the tangent to the circle \(x^2+y^2=a^2\) at \(P(x_1, y_1)\) is \(x x_1 + y y_1 = K\), then K =
AP EAPCET - 2022
AP EAPCET
Mathematics
Coordinate Geometry
If \( f(x) = \int \cos^{-1} \left( \frac{x}{\sqrt{a + x}} \right) dx + C \), then \( f'(a) = \)
AP EAPCET - 2022
AP EAPCET
Mathematics
Calculus
The normal to the curve y = f(x) at the points (3, 4) makes an angle \( \frac{3\pi}{4} \) with positive x-axis then \(f'(3) = \)
AP EAPCET - 2022
AP EAPCET
Mathematics
Calculus
By simplifying the expression: $$ i^{18} - 3i^7 + i^2(1 + i^4)(i^{22}) $$ we get:
AP EAPCET - 2022
AP EAPCET
Mathematics
Complex numbers
If
$(a, b, c)$
are the direction ratios of a line joining the points
$(4, 3, -5)$
and
$(-2, 1, -8)$,
then the point
$P = (a, 3b, 2c)$
lies on the plane
AP EAPCET - 2022
AP EAPCET
Mathematics
3D Geometry
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