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Mathematics
List of top Mathematics Questions asked in BITSAT
If
$\frac{ d }{ dx }(\phi( x ))= f ( x )$
, then
$\int\limits_{1}^{2} f ( x )$
is equal to:
BITSAT - 2011
BITSAT
Mathematics
Definite Integral
$\frac{d}{dx} (x^x)$
is equal to
BITSAT - 2011
BITSAT
Mathematics
Logarithmic Differentiation
$\int\limits^2_0 |1 -x| dx$
is equal to
BITSAT - 2011
BITSAT
Mathematics
Some Properties of Definite Integrals
The sum of the series
$\log _{4} 2-\log _{8} 2+\log _{16} 2-\ldots$
is
BITSAT - 2011
BITSAT
Mathematics
Sum of First n Terms of an AP
$\int \frac{\sin 2 x}{\sin ^{4} x+\cos ^{4} x}$
is equal to:
BITSAT - 2011
BITSAT
Mathematics
integral
The value of
$\cos^{-1}x + \cos^{-1} \left(\frac{x}{2} + \frac{1}{2} \sqrt{3-3x^{2}}\right) ; \frac{1}{2} \le x \le 1 $
is
BITSAT - 2010
BITSAT
Mathematics
Inverse Trigonometric Functions
The slope of the tangent to the hyperbola
$2x^2 - 3y^2 = 6$
at
$(3, 2)$
is
BITSAT - 2010
BITSAT
Mathematics
Hyperbola
The solution of differential equation $2x \frac{dy}{dx} - y = 3$ represents a family of
BITSAT - 2010
BITSAT
Mathematics
Differential equations
If
$I_{m}=\int\limits_{1}^{e}(\ln x)^{m} d x$
, where
$m \in N$
, then
$I_{10}+10 I_{9}$
is equal to -
BITSAT - 2010
BITSAT
Mathematics
integral
$\int 4 \cos \left(x + \frac{\pi}{6}\right) \cos 2x . \cos\left(\frac{5\pi}{6} + x\right)dx $
BITSAT - 2010
BITSAT
Mathematics
Methods of Integration
Mean of $25$ observations was found to be $78.4$. But later on it was found that $96$ was misread $69$. The correct mean is
BITSAT - 2010
BITSAT
Mathematics
Statistics
If
$A = \begin{bmatrix}1&3\\ 3&2\\ 2&5\end{bmatrix}$
and
$ B = \begin{bmatrix}-1&-2\\ 0&5\\ 3&1\end{bmatrix} $
and
$A + B - D = 0$
(zero matrix), then
$D$
matrix will be -
BITSAT - 2010
BITSAT
Mathematics
types of matrices
The function
$f(x) = \tan x - 4x$
is strictly decreasing on
BITSAT - 2010
BITSAT
Mathematics
Functions
If
$f(x)=\frac{x}{\sqrt{1+x^{2}}}$
, then (fof of) (
$x$
) is
BITSAT - 2010
BITSAT
Mathematics
composite of functions
The value of
$\begin{vmatrix}1&2&3\\ -4&3&6\\ 2&-7&9\end{vmatrix} $
is
BITSAT - 2010
BITSAT
Mathematics
Determinants
The area of the region bounded by the curve
$y=x |x|, x$
-axis and the ordinates
$x=1, x=$
$-1$
is given by:
BITSAT - 2010
BITSAT
Mathematics
Area under Simple Curves
Which one of the following is the unit vector perpendicular to both $\vec{a}=-\hat{i}+\hat{j}+\hat{k}$ and $\vec{b}=\hat{i}-\hat{j}+\hat{k}$ ?
BITSAT - 2010
BITSAT
Mathematics
Product of Two Vectors
In a polygon no three diagonals are concurrent. If the total number of points of intersection of diagonals interior to the polygon be $70$ then the number of diagonals of the polygon is
BITSAT - 2010
BITSAT
Mathematics
Permutations
With $17$ consonants and $5$ vowels the number of words of four letters that can be formed having two different vowels in the middle and one consonant, repeated or different at each end is
BITSAT - 2010
BITSAT
Mathematics
sequences
If $m$ arithmetic means are inserted between $1$ and $31$ so that the ratio of the $7^{th}$ and $(m - 1)^{th}$ means is $5 : 9$, then find the value of m.
BITSAT - 2010
BITSAT
Mathematics
nth Term of an AP
If one of the roots of $\begin{vmatrix} 3 &5 & x \\ 7 & x & 7 \\ x & 5 & 3 \end{vmatrix} = 0 $ is -10,then the other roots are
BITSAT - 2009
BITSAT
Mathematics
Transpose of a Matrix
$\frac{\cos \, x}{\cos \, x -2y} = \lambda \, \Rightarrow \, \tan \, x - y$
is equal to
BITSAT - 2009
BITSAT
Mathematics
Trigonometric Identities
The coefficient of
$x^{24}$
in the expansion of
$(1 + x^2)^{12} (1 + x^{12}) (1 + x^{24})$
is
BITSAT - 2009
BITSAT
Mathematics
general and middle terms
The roots of
$ (x- a) (x - a-1) + (x - a -1) (x - a - 2) + (x - a) (x - a - 2) = 0 , a \in R$
are always
BITSAT - 2009
BITSAT
Mathematics
Quadratic Equations
If
$x, y, z$
are all positive and are the
$p^{th}, q^{th}$
and
$r^{th}$
terms of a geometric progression respectively, then the value of the determinant $\begin{vmatrix} \log x & p & 1 \\ \log y & q & 1 \\ \log z & r & 1 \end{vmatrix} = 0 $ equals
BITSAT - 2009
BITSAT
Mathematics
Properties of Determinants
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