>
AP EAPCET
List of top Questions asked in AP EAPCET
If \( \left(\frac{\sin 3\theta}{\sin \theta}\right)^2 - \left(\frac{\cos 3\theta}{\cos \theta}\right)^2 = a \cos b\theta \), then \( a : b = \)
AP EAPCET - 2025
AP EAPCET
Mathematics
Trigonometric Identities
If \( x \ne (2n+1)\frac{\pi
{4} \), then the general solution of \( \cos x + \cos 3x = \sin x + \sin 3x \) is}
AP EAPCET - 2025
AP EAPCET
Mathematics
Trigonometric Identities
If \( \frac{1}{2} \sin^{-1} \left( \frac{3\sin 2\theta}{5+4\cos 2\theta} \right) = \tan^{-1
x \) then \( x = \)}
AP EAPCET - 2025
AP EAPCET
Mathematics
Trigonometric Identities
When the roots of \( x^3 + \alpha x^2 + \beta x + 6 = 0 \) are increased by 1, if one of the resultant values is the least root of \( x^4 - 6x^3 + 11x^2 - 6x = 0 \), then
AP EAPCET - 2025
AP EAPCET
Mathematics
Algebra
Let 'a' be a non-zero real number. If the equation whose roots are the squares of the roots of the cubic equation \( x^3 - ax^2 + ax - 1 = 0 \) is identical with this cubic equation, then 'a' =
AP EAPCET - 2025
AP EAPCET
Mathematics
Algebra
If \( {}^{27}P_{r+7} = 7722 \cdot {}^{25}P_{r+4} \), then r =
AP EAPCET - 2025
AP EAPCET
Mathematics
Number System
If the number of diagonals of a regular polygon is 35, then the number of sides of the polygon is
AP EAPCET - 2025
AP EAPCET
Mathematics
Binomial Expansion
If four letters are chosen from the letters of the word ASSIGNMENT and are arranged in all possible ways to form 4 letter words (with or without meaning), then total number of such words that can be formed is
AP EAPCET - 2025
AP EAPCET
Mathematics
Binomial theorem
The terms containing \( x^r y^s \) (for certain r and s) are present in both the expansions of \( (x+y^2)^{13
\) and \( (x^2+y)^{14} \). If \( \alpha \) is the number of such terms, then the sum \( \sum_{r,s} \alpha (r+s) = \) (Note: The sum is over the common terms)}
AP EAPCET - 2025
AP EAPCET
Mathematics
Combinatorics
The coefficient of \( x^3 \) in the power series expansion of \( \frac{1+4x-3x^2}{(1+3x)^3
\) is}
AP EAPCET - 2025
AP EAPCET
Mathematics
Number System
The number of solutions of the system of equations \(2x+y-z=7\), \(x-3y+2z=1\), \(x+4y-3z=5\) is
AP EAPCET - 2025
AP EAPCET
Mathematics
Complex numbers
The points in the Argand plane represented by the complex numbers \(4\hat{i}+3\hat{j}\), \(6\hat{i}-2\hat{j}-3\hat{k}\) and \(\hat{i}-\hat{j}-3\hat{k}\) form
AP EAPCET - 2025
AP EAPCET
Mathematics
Complex numbers
If \( z = x+iy \) and \(x^2+y^2=1\), then \( \frac{1+x+iy}{1+x-iy} = \)
AP EAPCET - 2025
AP EAPCET
Mathematics
Complex numbers
If \( x^6 = (\sqrt{3}-i)^5 \), then the product of all of its roots is
AP EAPCET - 2025
AP EAPCET
Mathematics
Complex numbers
If \( \alpha \neq 0 \) and zero are the roots of the equation \( x^2 - 5kx + (6k^2-2k) = 0 \), then \( \alpha = \)
AP EAPCET - 2025
AP EAPCET
Mathematics
Complex numbers
The set of all real values of x satisfying the inequation \( \frac{8x^2-14x-9}{3x^2-7x-6}>2 \) is
AP EAPCET - 2025
AP EAPCET
Mathematics
Algebra
The set of all real values of \(x\) for which \(f(x) = \sqrt{\frac{|x|-2}{|x|-3}}\) is a well defined function is
AP EAPCET - 2025
AP EAPCET
Mathematics
Functions
\(f(x)\) is a quadratic polynomial satisfying the condition \( f(x) + f\left(\frac{1}{x}\right) = f(x)f\left(\frac{1}{x}\right) \). If \(f(-1)=0\), then the range of \(f\) is
AP EAPCET - 2025
AP EAPCET
Mathematics
Functions
\( \sum_{k=1}^{n} k(k+1)(k+2)...(k+r-1) = \)
AP EAPCET - 2025
AP EAPCET
Mathematics
Matrices
If \( A = \begin{pmatrix} 1 & 2 & 3 \\ 1 & 3 & 5 \\ 2 & 1 & 6 \end{pmatrix} \) and \( |adj(adj(A))|(adj A)^{-1} = kA \), then k =
AP EAPCET - 2025
AP EAPCET
Mathematics
Matrices
If the values \( x = \alpha, y = \beta, z = \gamma \) satisfy all the 3 equations \(x+2y+3z=4\), \(3x+y+z=3\) and \(x+3y+3z=2\), then \(3\alpha + \gamma = \)
AP EAPCET - 2025
AP EAPCET
Mathematics
Matrices
If \( x \log_{10} x \frac{dy}{dx} + y = 2 \log_{10} x \) and \( y(e) = 0 \), then \( y(e^2) = \)
AP EAPCET - 2025
AP EAPCET
Mathematics
Differential equations
The number of turning points of the curve $f(x) = 2\cos x - \sin 2x$ in the interval $[-\pi, \pi]$ is
AP EAPCET - 2025
AP EAPCET
Mathematics
Trigonometric Functions
The half life of a radioactive substance is 10 minutes. If $n_1$ and $n_2$ are the number of atoms decayed in 20 and 30 minutes respectively, then $n_1 : n_2 = $
AP EAPCET - 2025
AP EAPCET
Physics
Radioactivity
If $y = \tan^{-1}(\frac{3x - x^3}{1-3x^2}) + \tan^{-1}(\frac{7x}{1-12x^2})$, then at $x=0$, $\frac{dy}{dx} =$
AP EAPCET - 2025
AP EAPCET
Mathematics
Inverse Trigonometric Functions
Prev
1
...
39
40
41
42
43
...
251
Next