Question 3 :
If two angles of a triangle are $\tan ^{ -1 }{ (2) } $ and $\tan ^{ -1 }{ (3) } $, then the third angle is
Question 4 :
Consider the following :<br>1. ${\sin}^{-1}\dfrac{4}{5}+{\sin}^{-1}\dfrac{3}{5}=\dfrac{\pi}{2}$<br>2. ${\tan}^{-1}\sqrt{3}+{\tan}^{-1}1=-{\tan}^{-1}(2+\sqrt{3})$<br>Which of the above is/are correct?
Question 5 :
What is the order of the product $ \begin{bmatrix} x &  y & z \end{bmatrix} \begin{bmatrix} a & h & g \\ h & b & f \\ g & f & c \end{bmatrix} \begin{bmatrix} x \\ y \\ z \end{bmatrix}$ ?
Question 6 :
If $3\begin{bmatrix} 4 & 2 \\ 1 & 3 \end{bmatrix}-2\begin{bmatrix} -2 & 1 \\ 3 & 2 \end{bmatrix}+\begin{bmatrix} x & -4 \\ 3 & y \end{bmatrix}=0$ then $\left(x,y\right)=$
Question 7 :
If$\displaystyle a_{ij}=0\left ( i\neq j \right )$ and$\displaystyle a_{ij}=1\left ( i= j \right )$ then the matrix A=$\displaystyle \left [ a_{ij} \right ]_{n\times n}$ is a _____ matrix
Question 8 :
Find number of all such functions $y = f(x)$ which are one-one?
Question 9 :
If $f:R\rightarrow R$ given by $f(x)={ x }^{ 3 }+({ a+2)x }^{ 2 }+3ax+5$ is one-one, then $a$ belongs to the interval<br>
Question 10 :
The function $f: R\rightarrow R$ given by $f(x) = x^{3} - 1$ is
Question 11 :
$\begin{vmatrix} 2^3 & 3^3 & 3.2^2+3.2+1\\ 3^3 & 4^3 & 3.3^2+3.3+1\\ 4^3 & 5^3 & 3.4^2+3.4+1\end{vmatrix}$ is equal to?
Question 12 :
If $m = \begin{bmatrix}1 & 0\\ 0 & 1\end{bmatrix}$ and $n = \begin{bmatrix}0 & 1 \\ -1 & 0\end{bmatrix}$, then what is the value of the determinant of $m \cos \theta - n \sin \theta$?
Question 13 :
If $A=\begin{vmatrix} 10 & 2 \\ 30 & 6 \end{vmatrix}\\ $ then $\left|A\right|=$
Question 15 :
Area bounded by the curve $y= sin^{-1}x, y-axis$ and $y = cos^{-1}x$ is equal to
Question 16 :
The area bounded by $y^{2}=4ax$ and $y=mx$ is $\displaystyle \frac{a^{2}}{3}$ sq. units then $\mathrm{m}$<br/>
Question 17 :
The radius of a circle is uniformly increasing at the rate of $3cm/s$. What is the rate of increase in area, when the radius is $10cm$?
Question 18 :
The velocity $v$ of a particle moving along a straight line and its distance $s$ from a fixed point on the line are related by $ v^2 = a^2 + s^2$, then its acceleration equals
Question 19 :
A spherical iron ball $10 cm$ in radius is coated with a layer of ice of uniform thickness that melts at a rate of $50 cm^3/min$. When the thickness of ice is $5 cm$, then the rate of which the thickness of ice decreases, is.
Question 22 :
$\displaystyle \int \dfrac{1}{\sqrt{x}} \tan^4 \, \sqrt{x} \, \sec^2 \, \sqrt{x} \, dx = $
Question 23 :
The integral $\displaystyle \int { \left( 1+2{ x }^{ 2 }+\frac { 1 }{ x } \right) } { e }^{ { x }^{ 2-\frac { 1 }{ x } } }dx$ is equal to
Question 25 :
If $f(x)=\displaystyle\frac{\log(1+ax)-log(1-bx)}{x}$ for $x\neq 0$ and $f(0)=k$ and $f(x)$ is continuous at $x=0$, then $k$ is equal to:<br>
Question 26 :
If $f\left( x \right) =\left\{ \begin{matrix} x& \text{if}\,\, x\,\, \text{is rational} \\ -x& \text{if}\,\, x\,\, \text{is irratonal} \end{matrix} \right. $, then $f(x)$ is:
Question 27 :
Consider the function<br>$f(x)=\begin{cases}-2\sin x & if & x\le -\dfrac{\pi}{2} \\ A\sin x+B & if & -\dfrac{\pi}{2} < x < \dfrac{\pi}{2} \\ \cos x & if & x \ge \dfrac{\pi}{2}\end{cases}$<br>which is continuous everywhere.<br>The value of A is