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VITEEE
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Mathematics
List of top Mathematics Questions asked in VITEEE
If \( f(x) = \frac{x^2}{2}, \text{for} x \leq 0, \frac{2\sin x}{x}, \text{for} x>0 \), then \( x = 0 \) is:
VITEEE - 2011
VITEEE
Mathematics
Continuity
A line making angles 45° and 60° with the positive directions of the axes of \( x \) and \( y \) makes with the positive direction of \( z \)-axis, an angle of:
VITEEE - 2011
VITEEE
Mathematics
3D Geometry
If the roots of the equation \( x^2 + ax + b = 0 \) are \( c \) and \( d \), then one of the roots of the equation \[ x^2 + (2c + a)x + c^2 + ac + b = 0 \] is:
VITEEE - 2011
VITEEE
Mathematics
Quadratic Equations
The values of constants \( a \) and \( b \), so that \[ \lim_{x \to \infty} \left( \frac{x^2 + 1}{x + 1} - ax - b \right) = 0 \] are:
VITEEE - 2011
VITEEE
Mathematics
Limits
The sum of the coefficients of \( (6a - 5b)^n \), where \( n \) is a positive integer, is:
VITEEE - 2011
VITEEE
Mathematics
Binomial theorem
Find the value of \( (7.995)^{1/3} \) correct to four decimal places.
VITEEE - 2011
VITEEE
Mathematics
Logarithms
The projection of the vector \( \mathbf{i} - 2\mathbf{j} + \mathbf{k} \) on the vector \( 4\mathbf{i} - 4\mathbf{j} + 7\mathbf{k} \) is:
VITEEE - 2011
VITEEE
Mathematics
Vectors
If \( a, b, c \) are three non-zero vectors such that \( a + b + c = 0 \) and \( m = a \cdot b + b \cdot c + c \cdot a \), then:
VITEEE - 2011
VITEEE
Mathematics
Vectors
A line passes through \( (2, 2) \) and is perpendicular to the line \( 3x + y = 3 \). What is its y-intercept?
VITEEE - 2011
VITEEE
Mathematics
Coordinate Geometry
The number of common tangents to the circles \( x^2 + y^2 = 4 \) and \( x^2 + y^2 - 6x - 8y = 24 \) is:
VITEEE - 2011
VITEEE
Mathematics
Coordinate Geometry
If one AM 'A' and two GM \( p \) and \( q \) are inserted between two given numbers, then find the value of \[ \frac{p^2}{q} + \frac{q^2}{p} \]
VITEEE - 2011
VITEEE
Mathematics
Sequences and Series
Evaluate \[ \int_{ \frac{\pi}{4} }^{ \frac{3\pi}{4} } \frac{1}{1 + \cos x} \, dx \]
VITEEE - 2011
VITEEE
Mathematics
Integration
Evaluate \[ \int \frac{x^2 + 4}{x^4 + 16} \, dx \]
VITEEE - 2011
VITEEE
Mathematics
Integration
Find the value of the limit \[ \lim_{x \to 0} \frac{\sqrt{1 - \cos x}}{x} \]
VITEEE - 2011
VITEEE
Mathematics
Limits
If D is the set of all real x such that \( 1 - e^{(1/x)} \) is positive, then D is equal to:
VITEEE - 2011
VITEEE
Mathematics
Functions
If \( R \) be a relation from \( A = \{1, 2, 3, 4\} \) to \( B = \{1, 3, 5\} \) such that \( (a, b) \in R \) if \( a<b \), then ROR is:
VITEEE - 2011
VITEEE
Mathematics
Relations
The number of ways of painting the faces of a cube of six different colours is:
VITEEE - 2011
VITEEE
Mathematics
permutations and combinations
If \( x^2 + 2x + 7<6 \), \( x \in \mathbb{R} \), then:
VITEEE - 2011
VITEEE
Mathematics
Quadratic Equations
To the lines \( ax^2 + 2hxy + by^2 = 0 \), the line \( ax^2 + 2h(a+b)xy + b^2y^2 = 0 \) are:
VITEEE - 2011
VITEEE
Mathematics
Coordinate Geometry
If \( a, b, c \) are in HP, then \( \frac{a}{b+c} = \frac{b}{c+a} = \frac{c}{a+b} \) will be in:
VITEEE - 2011
VITEEE
Mathematics
Sequences and Series
For a GP, \( a_n = 3(2^n) \), \( n \in \mathbb{N} \), Find the common ratio.
VITEEE - 2011
VITEEE
Mathematics
Sequences and Series
If \( x + y = (1 + i \sqrt{3})^{100} \), then find \( (x, y) \):
VITEEE - 2011
VITEEE
Mathematics
Complex numbers
If
$\frac{x^{2}+2x+7}{2x+3} < 6, x\,\in\,R, $
then
VITEEE - 2011
VITEEE
Mathematics
Quadratic Equations
A dice is rolled twice and the sum of the numbers appearing on them is observed to be
$7$
. What is the conditional probability that the number
$2$
has appeared at least once ?
VITEEE - 2011
VITEEE
Mathematics
Probability
If $X$ is a poisson variate such that $P(X = 1) = P(X = 2)$, then $P(X=4)$ is equal to
VITEEE - 2011
VITEEE
Mathematics
Probability
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