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AP EAPCET
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Mathematics
List of top Mathematics Questions asked in AP EAPCET
If \( x^3 - 2x^2y + 5x + y - 5 = 0 \), then at (1,1), \( y'(1) = \)
AP EAPCET - 2022
AP EAPCET
Mathematics
Calculus
The condition that \( f(x) = ax^3 + bx^2 + cx + d \) has no extreme value is
AP EAPCET - 2022
AP EAPCET
Mathematics
Calculus
If \( y = \tan(3\tan^{-1} x) \), then:
\[ (1 - 3x^2)\frac{d^2y}{dx^2} - 12x \frac{dy}{dx} = \]
AP EAPCET - 2022
AP EAPCET
Mathematics
Calculus
\(\tanh(\log x) = \)
(Assuming \(\log x\) is natural logarithm \(\ln x\))
AP EAPCET - 2022
AP EAPCET
Mathematics
Calculus
\( \lim_{x \to 0} x^3 (\sqrt{x^2+\sqrt{x^4+1}} - \sqrt{2}x) = \)
AP EAPCET - 2022
AP EAPCET
Mathematics
Calculus
If \( ^{2n}C_3 : ^nC_3 = 12 : 1 \), then \( n = \) ?
AP EAPCET - 2022
AP EAPCET
Mathematics
Combinatorics
If $A + B + C = \pi$, $\cos B = \cos A \cos C$, then $\tan A \tan C =$
AP EAPCET - 2022
AP EAPCET
Mathematics
Trigonometric Identities
Evaluate: $$ \int \frac{e^{\tan^{-1}x}}{1+x^2} \left[\left(\sec^{-1}(\sqrt{1+x^2})\right)^2 + \cos^{-1} \left( \frac{1 - x^2}{1 + x^2} \right)\right] dx $$
AP EAPCET - 2022
AP EAPCET
Mathematics
Integration
In a triangle $ABC$, $2(bc \cos A + ac \cos B + ab \cos C) =$
AP EAPCET - 2022
AP EAPCET
Mathematics
Hyperbolic Functions
If a number is chosen at random from the set \( \{1, 2, 3, \dots, 100\} \), then the probability that it is a perfect cube is:
AP EAPCET - 2022
AP EAPCET
Mathematics
Probability
For the parabola represented parametrically by \( x = t^2 + t + 1 \) and \( y = t^2 - t + 1 \), the length of the latus rectum is:
AP EAPCET - 2022
AP EAPCET
Mathematics
Conic sections
If the product of the perpendicular distances from any point on the hyperbola \( \frac{x^2}{a^2} - \frac{y^2}{b^2} = 1 \) to its asymptotes is 6, and the eccentricity of the hyperbola is \( \sqrt{3} \), then the length of the conjugate axis is:
AP EAPCET - 2022
AP EAPCET
Mathematics
Conic sections
For what values of $a \in \mathbb{Z}$, the quadratic expression $(x + a)(x + 1991) + 1$ can be factorised as $(x + b)(x + c)$, where $b, c \in \mathbb{Z}$?
AP EAPCET - 2022
AP EAPCET
Mathematics
Exponential and Logarithmic Functions
The straight line touching the circle \(x^2+y^2-2x-3=0\) and remaining normal to the circle \(x^2+y^2-4y-6=0\) is
AP EAPCET - 2022
AP EAPCET
Mathematics
Coordinate Geometry
If \( \int f(x) dx = F(x) + C \), then \( \frac{d}{dt} \int_{g(t)}^{h(t)} f(x)\,dx = \)
AP EAPCET - 2022
AP EAPCET
Mathematics
Calculus
Simplify: \( \sin(x + y) \sec x \sec y = \)
AP EAPCET - 2022
AP EAPCET
Mathematics
Trigonometric Identities
In a triangle ABC,
$r_1 \cot \dfrac{A}{2} + r_2 \cot \dfrac{B}{2} + r_3 \cot \dfrac{C}{2} = $ ?
AP EAPCET - 2022
AP EAPCET
Mathematics
Triangles
The number of real values of \( m \) such that the equation \[ x^2 + (2m + 1)x + m = 0 \] has equal roots is:
AP EAPCET - 2022
AP EAPCET
Mathematics
Quadratic Equations
The values of \(\theta\), for which \( \frac{3+2i\sin\theta}{1-2i\sin\theta} \) is real are
AP EAPCET - 2022
AP EAPCET
Mathematics
Complex numbers
For the hyperbola \( \frac{x^2}{a^2} - \frac{y^2}{b^2} = 1 \), if the length of the transverse axis is 8 and the distance between the foci is \( 2\sqrt{41} \), then the length of its latus rectum is:
AP EAPCET - 2022
AP EAPCET
Mathematics
Conic sections
The number of positive real roots of the equation
\[ 3^{x+1} + 3^{-x+1} = 10 \]
is:
AP EAPCET - 2022
AP EAPCET
Mathematics
Exponential and Logarithmic Functions
If the points of intersection of the coordinate axes and $|x + y| = 2$ form a rhombus, then its area is
AP EAPCET - 2022
AP EAPCET
Mathematics
Coordinate Geometry
Find the length of the intercept made by the line $ x + 1 = 0 $ between the lines: $$ 3x + 2y = 5 \quad \text{and} \quad 3x + 2y = 3 $$
AP EAPCET - 2022
AP EAPCET
Mathematics
Coordinate Geometry
If the solution of \( \frac{dy}{dx} = y \log_e 0.5 = 0 \), \( y(0) = 1 \), and \( y(x) \to k \) as \( x \to \infty \), then \( k = \)
AP EAPCET - 2022
AP EAPCET
Mathematics
Differential Equations
Let \( z \) and \( w \) be two complex numbers such that \( \bar{z} + i\bar{w} = 0 \) and \( \text{Arg}(zw) = \pi \). Then \( \text{Arg}(z) = \)
AP EAPCET - 2022
AP EAPCET
Mathematics
Complex numbers
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