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Mathematics
List of top Mathematics Questions
A true statement among the following identities is
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Mathematics
Trigonometry
Multiplicative inverse of the complex number $(\sin\theta, \cos\theta)$ is
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Mathematics
Complex numbers
$\sum_{k=0}^{440} i^k = x + iy \Rightarrow x^{100} + x^{99} y + x^{342} y^2 + x^{97} y^3 =$
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Mathematics
Complex numbers
If $A = \begin{bmatrix} 2 & -3\\ -4 & 1 \end{bmatrix}$, then $(A^T)^2 + (12A)^T = $
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Mathematics
Matrices
If $a$, $b$, $c$ are respectively the $5^{\text{th
}$, $8^{\text{th}}$, $13^{\text{th}}$ terms of an arithmetic progression, then}
$\begin{vmatrix} a & 5 & 1 \\ b & 8 & 1\\ c & 13 & 1 \end{vmatrix} = $
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Mathematics
Matrices
If $A = \begin{bmatrix} 1 & 0 & 0 \\ a & -1 & 0 \\ b & c & 1 \end{bmatrix}$ is such that $A^2 = I$, then
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Mathematics
Matrices
Let $A = \begin{bmatrix} -2 & x & 1 \\ x & 1 & 1 \\ 2 & 3 & -1 \end{bmatrix}$. If the roots of the equation $\det A = 0$ are $l, m$ then $l^3 - m^3 =$
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Mathematics
Determinants
The domain of the real valued function $f(x) = \sin\left(\log\left(\frac{\sqrt{4 - x^2}}{1 - x}\right)\right)$ is
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Mathematics
Functions
$\left\{ x \in \mathbb{R} \,\middle|\, \frac{\sqrt{|x^2 - 2|x| - 8}}{\log(2 - x - x^2)} \text{ is a real number} \right\} =$
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Mathematics
Functions
The differential equation of the family of circles passing through origin and having centers on x-axis is:
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Mathematics
Differential Equations
If \( \int_{0}^{\pi/2} \sin^m x \cos^4 x \, dx = \frac{7\pi}{2048} \), then \( m = \)
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Mathematics
Calculus
If \( \frac{a}{a_1} = \frac{b}{b_1} \), then the substitution used to solve the differential equation \(\frac{dy}{dx} = \frac{ax + by + c}{a_1x + b_1y + c_1} \) using separation of variables is:
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Mathematics
Differential Equations
For the differential equation \( \frac{d^3 y}{dx^3} = 0 \), \( y = ax^2 + bx + c \) is:
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Mathematics
Calculus
If \( f(x) = \int \cos^{-1} \left( \frac{x}{\sqrt{a + x}} \right) dx + C \), then \( f'(a) = \)
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Mathematics
Calculus
If \( \int f(x) dx = F(x) + C \), then \( \frac{d}{dt} \int_{g(t)}^{h(t)} f(x)\,dx = \)
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Mathematics
Calculus
Evaluate \( \lim_{n \to \infty} \left( \frac{1^2}{n^3 + 1^3} + \frac{2^2}{n^3 + 2^3} + \cdots + \frac{n^2}{n^3 + n^3} \right) \)
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Mathematics
Calculus
Evaluate \( \int_{-\pi}^{\pi} \frac{\cos^{2022}x}{1 + (2022)^x} \, dx \).
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Mathematics
Calculus
The curves \( y = x^2 - 1 \) and \( y = 8x - x^2 - 9 \)
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Mathematics
Conic sections
Evaluate the integral \( \int \frac{1 - k \cos^2 x}{\sin^k x \cos^2 x} dx \).
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Mathematics
Calculus
If \( f(x) \) is the antiderivative of \( g(x) \) and \[ \int f(x) g(x)(1 + f^2(x)) dx = F(x) \], then \( F(x) = \)
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Mathematics
Calculus
The function \( f(x) = 2x^3 - 9ax^2 + 12a^2x + 1 \ (a>0) \) attains its maximum and minimum at \( p \) and \( q \) respectively and \( p^2 = q \). Then the value of \( a \) is:
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Mathematics
Calculus
The set of all \( x \) for which \( \sin x \leq x \) is:
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Mathematics
Calculus
The perimeter of a sector is constant. If its area is to be maximum, the sectorial angle should be:
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Mathematics
Calculus
Evaluate \( \int \frac{\cos(\sec^2 x) - 2022}{\cos^{2022} x} dx = f(x) + C \Rightarrow f\left( \frac{\pi}{4} \right) = \)
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Mathematics
Calculus
Evaluate:
\[ \lim_{x \to 0} \frac{\sqrt{11 + |x|} - 6\sqrt{2 + |x|}}{6 - 2\sqrt{2 + |x|}} \]
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Mathematics
Limits
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