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AP EAPCET
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Mathematics
List of top Mathematics Questions asked in AP EAPCET
If \( \tan A + \tan B + \tan C = \tan A \tan B \tan C \) and \( A + B + C = \pi \), then which of the following is true?
AP EAPCET
Mathematics
Trigonometric Identities
If the roots of the quadratic equation \( x^2 - 6x + k = 0 \) have a difference of 2, find the value of \( k \).
AP EAPCET
Mathematics
Quadratic Equations
If \( z = 1 + i \), find the modulus of \( z^2 \).
AP EAPCET
Mathematics
The Modulus and the Conjugate of a Complex Number
The mean of 5 numbers is 10, and their variance is 16. If one number is increased by 5, what is the new mean?
AP EAPCET
Mathematics
Variance and Standard Deviation
If \( A = \begin{bmatrix} 1 & 2 \\ 3 & 4 \end{bmatrix} \), find the inverse of matrix \( A \).
AP EAPCET
Mathematics
Matrices
A box contains 4 white and 6 black balls. If 3 balls are drawn at random with replacement, what is the probability that at least one is white?
AP EAPCET
Mathematics
Probability
Find the area of the triangle with vertices at (0, 0), (3, 0), and (0, 4).
AP EAPCET
Mathematics
Mensuration
If $ \log_2(x + 1) = 3 $, what is the value of $ x $?
AP EAPCET
Mathematics
Exponential and Logarithmic Functions
If
\(\sin \theta = \frac{3}{5}\)
and $ \theta $ is in the first quadrant, what is $ \tan \theta $?
AP EAPCET
Mathematics
Trigonometry
The equation of the circle with center at $ (2, -3) $ and radius $ 5 $ is:
AP EAPCET
Mathematics
Circle
A box contains 5 red balls and 3 green balls. Two balls are drawn at random without replacement. What is the probability that both balls are red?
AP EAPCET
Mathematics
Probability
If the roots of the quadratic equation $ 2x^2 - 3x + 1 = 0 $ are $ \alpha $ and $ \beta $, what is the value of $ \alpha^2 + \beta^2 $?
AP EAPCET
Mathematics
Quadratic Equations
Let \( f(x) = 2x^3 - 3x \neq 4 \). Then the inverse function \( f^{-1}(x) \) is:
AP EAPCET
Mathematics
Functions
Let \( A = \begin{bmatrix} 1 & 2 \\ 3 & 4 \end{bmatrix} \), then \( A^2 - 5A + 6I = ? \)
AP EAPCET
Mathematics
Matrices
Let a circle pass through the point \( (1, 2) \) and touch the \( x \)-axis at \( (3, 0) \). Then the equation of the circle is:
AP EAPCET
Mathematics
Circles
If \( \tan \theta = \frac{3}{4} \) and \( \theta \) is in the first quadrant, find the value of \( \sin \theta + \cos \theta \).
AP EAPCET
Mathematics
Trigonometry
Find the distance between the points \( (3, 4) \) and \( (7, 1) \) in the Cartesian plane.
AP EAPCET
Mathematics
Coordinate Geometry
If \( A = \begin{bmatrix} 2 & 3 \\ 1 & 4 \end{bmatrix} \), find the determinant of \( A \).
AP EAPCET
Mathematics
Determinants
Evaluate \( \int_{0}^{1} (2x + 1) \, dx \).
AP EAPCET
Mathematics
Definite Integral
$f\left(x\right) = \frac{x}{e^{x}-1} + \frac{x}{2} + 2 \cos^{3} \frac{x}{2} $
on
$R-\left\{0\right\} $
is
AP EAPCET
Mathematics
Functions
If
$A=\begin{bmatrix}1 & 0 \\ 0 & -1\end{bmatrix}, P=\begin{bmatrix}1 & 1 \\ 0 & 1\end{bmatrix}$
and
$X=A P A^{T}$
, then
$A^{T} X^{50} A=$
AP EAPCET
Mathematics
Transpose of a Matrix
If
$[x]$
is the greatest integer less than or equal to
$x$
and
$|x|$
is the modulus of
$x$
. then the system of three equations
$2x + 3 | y | + 5[z] = 0, x + |y| - 2[z] = 4, x + |y| + |z| = 1$
has
AP EAPCET
Mathematics
Applications of Determinants and Matrices
Investigate the values of
$\lambda$
and
$\mu$
for the system
$x+2 y+3 z=6, x+3 y+5 z=9$
,
$2 x+5 y+\lambda z=\mu$
and match the values in List - I with the items in List - II.
List I
List II
(A)
$\lambda=8, \mu \neq 15$
1.
Infinitely many solutions
(B)
$\lambda \neq 8, \mu \in R$
2.
No solution
(C)
$\lambda=8, \mu=15$
3.
Unique solution
AP EAPCET
Mathematics
Applications of Determinants and Matrices
$D = \left\{x\in\mathbb{R}: f\left(x\right) =\sqrt{\frac{x - \left|x\right|}{x - \left[x\right]}} \text{is defined} \right\}$
and
$C$
be the range of the real function
$g(x) = \frac{2x}{4 + x^{2}}$
. Then
$D \cap C$
AP EAPCET
Mathematics
Functions
If
$z= x +iy , x,y \in R , (x,y) \ne (0, -4)$
and
$Arg \left( \frac{2z-3}{z+4i}\right) = \frac{\pi}{4}$
, then the locus of
$z$
is
AP EAPCET
Mathematics
argand plane
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