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AP EAPCET
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Mathematics
List of top Mathematics Questions asked in AP EAPCET
If \( \alpha \in \mathbb{R} \setminus \{-1\} \) and \[ f(x) = |x| + \alpha |x|(|x| - 1), \] then the number of points at which \( f(x) \) is not differentiable is:
AP EAPCET - 2023
AP EAPCET
Mathematics
Differentiability
If $\int_0^{2\pi} |x \sin x| dx = k\pi$, then $k=$
AP EAPCET - 2023
AP EAPCET
Mathematics
Calculus
If p and q are the x and y intercepts respectively of the line passing through the points \( (a \cos \alpha, b \sin \alpha) \) and \( (a \cos \beta, b \sin \beta) \), then:
AP EAPCET - 2023
AP EAPCET
Mathematics
Geometry
If a straight line \( L \) perpendicular to the line \( 3x - 4y = 6 \) forms a triangle of area 6 square units with coordinate axes, then the minimum perpendicular distance from the point \( (1,1) \) to the line \( L \) is:
AP EAPCET - 2023
AP EAPCET
Mathematics
Geometry
Match the items of List - A with those of the entries of List - B.
AP EAPCET - 2023
AP EAPCET
Mathematics
Trigonometric Identities
The degree of the polynomial \( \left( x + \sqrt{x^4 - 1} \right)^9 + \left( x - \sqrt{x^4 - 1} \right)^9 \) is:
AP EAPCET - 2023
AP EAPCET
Mathematics
Polynomials
If \( 1 + \sqrt{1 + a} = (1 + \sqrt{1 - a}) \cot \alpha \) and \( 0<a<1 \), then \( \sin 4\alpha = \)
AP EAPCET - 2023
AP EAPCET
Mathematics
Trigonometric Identities
The greatest term in the expansion of $ (1+x)^{15} $, when $ x = \frac{1}{2} $ is
AP EAPCET - 2023
AP EAPCET
Mathematics
Binomial Expansion
If a set \( A \) has \( n \) elements, then the number of functions defined from \( A \) to \( A \) that are not one-one is:
AP EAPCET - 2023
AP EAPCET
Mathematics
Functions
Let \( A(2, 3) \), \( B(3, -1) \), and \( C(-3, 2) \) be three points. If the centre of the circle passing through A, B, and C is \( (h, k) \), then \( 2k - 4 = \):
AP EAPCET - 2023
AP EAPCET
Mathematics
Geometry
The probability that a non-leap year contains 53 Sundays is
AP EAPCET - 2023
AP EAPCET
Mathematics
Probability
\( \int_{-4\pi}^{4\pi} \tan^9 x \sin^6 x \cos^3 x \, dx = \)
AP EAPCET - 2023
AP EAPCET
Mathematics
Definite and indefinite integrals
If \((l_1, m_1, n_1), (l_2, m_2, n_2)\) are the direction cosines of two lines, then \[ (l_2m_1 - l_1m_2)^2 + (m_1n_2 - m_2n_1)^2 + (n_1l_2 - n_2l_1)^2 + (l_1l_2 + m_1m_2 + n_1n_2)^2 = \]
AP EAPCET - 2023
AP EAPCET
Mathematics
3D Geometry
If a function $ f(x) $ defined on $ [a, b] $ is discontinuous at $ x = \alpha \in (a, b) $, then:
AP EAPCET - 2023
AP EAPCET
Mathematics
Fundamental Theorem of Calculus
If $ a = 2n $ and $ b = 2m+1 $ for all $ m, n \in \mathbb{N} $, then
\[ \int_{-\pi}^{\pi} e^{\sin^2 x} \cot^{b}(2n+1) x \, dx = \]
AP EAPCET - 2023
AP EAPCET
Mathematics
Integration
The value of the constant \( c \), so that \( P(x) = c\left(\dfrac{2}{3}\right)^x,\, x = 1,2,3,\ldots \) is the probability distribution function of a discrete random variable \( X \), is:
AP EAPCET - 2023
AP EAPCET
Mathematics
Probability Distribution
Given that $\frac{d}{dx} \int_{0}^{\phi(x)} f(t) dt = f(\phi(x)) \phi'(x)$. For all $x \in (0, \frac{\pi}{2})$, if $\int_{1}^{\cos x} t^2 f(t) dt = \cos 2x$, then $f\left(\frac{1}{\sqrt{2}}\right) =$
AP EAPCET - 2023
AP EAPCET
Mathematics
Definite and indefinite integrals
If \( \alpha \) and \( \beta \) are the roots of the equation \( 2x^2 - 4x + 3 = 0 \), then \( \frac{2(\alpha^4 + \beta^4) + 3(\alpha^2 + \beta^2)}{\alpha + \beta} = \)
AP EAPCET - 2023
AP EAPCET
Mathematics
Algebra
Let \( B = \begin{bmatrix} 2 & 6 & 4 \\ 1 & 0 & 1 \\ -1 & -1 & -1 \end{bmatrix} \), \( C = \begin{bmatrix} -1 & 0 & 1 \\ 1 & 1 & 3 \\ 2 & 0 & 2 \end{bmatrix} \), and if a matrix \( A \) is such that \( BAC = I \), then \( A^{-1} = \)
AP EAPCET - 2023
AP EAPCET
Mathematics
Matrices and Determinants
If \( A(3, -1, 1), B(0, 2, 3), C(4, 8, 11) \) are three points, then the coordinates of the foot of the perpendicular drawn from the point A to the line joining the points B and C is:
AP EAPCET - 2023
AP EAPCET
Mathematics
Geometry
Let \( (a, b) \) denote the angle between vectors \( \mathbf{a} \) and \( \mathbf{b} \). If \( \mathbf{a} = 2i + 3j + 6k \), \( |\mathbf{a}| = 4 \), and \( (\mathbf{a}, \mathbf{b}) = \cos^{-1} \left( \frac{4}{21} \right) \), then \( \mathbf{a} + \mathbf{b} = \)
AP EAPCET - 2023
AP EAPCET
Mathematics
Vectors
Evaluate the integral:
\[ \int \frac{dx}{4 + 5 \cos x} \]
AP EAPCET - 2023
AP EAPCET
Mathematics
Integration
In a committee of 25 members, each member is proficient either in Mathematics or in Statistics or in both. If 19 of them are proficient in Mathematics and 16 of them are proficient in Statistics, then the probability that a person selected at random from the committee is proficient in both is
AP EAPCET - 2023
AP EAPCET
Mathematics
Probability
If four dice are thrown simultaneously, then the probability that none of the dice shows the number 1 on its face, is:
AP EAPCET - 2023
AP EAPCET
Mathematics
Probability
If the roots of the equation
\[ 6x^3 - 11x^2 + 6x - 1 = 0 \]
are in harmonic progression, then the roots of
\[ x^3 - 6x^2 + 11x - 6 = 0 \]
will be in
AP EAPCET - 2023
AP EAPCET
Mathematics
Geometric Progression
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