Find value of x in equation [ c x+y+z x+z y+z ]= [ l 9 5 7 ]

A force of magnitude $ 5$ units acting along the vector $2i - 2j + k$ displaces the point of application from $(1,\,2,\,3)$ to $(5,\,3,\,7)$, then the work done is

→

$\sin^{-1}\Big(\frac{-1}{2}\Big)$

$\frac{\pi}{3}$
$-\frac{\pi}{3}$
$\frac{\pi}{6}$
$-\frac{\pi}{6}$

→

$\int_0^\pi {\frac{{x\,\tan x}}{{\sec x + \cos x}}} \,dx = $

→

Let $A$ be a $2 \times 2$ symmetric matrix such that $A\left[\begin{array}{l}1 \\ 1\end{array}\right]=\left[\begin{array}{l}3 \\ 7\end{array}\right]$ and the determinant of $A$ be 1.

If $A^{-1}=\alpha A+\beta I$, where $I$ is an identity matrix of order $2 \times 2$, then $\alpha+\beta$ equals....................

→

Let $I = \int_a^b {\left( {{x^4} - 2{x^2}} \right)dx} $. If $I$ is minimum then the ordered pair $(a, b)$ is

→

The minimum value of function $f(x)=2 \cos x+x$ in interval $\left[0, \frac{\pi}{2}\right]$ :

→

Let $S$ be the set of all values of $\lambda$, for which the shortest distance between the lines $\frac{x-\lambda}{0}=\frac{y-3}{4}=\frac{z+6}{1}$ and $\frac{x+\lambda}{3}=\frac{y}{-4}=\frac{z-6}{0}$ is $13$ Then $8\left|\sum_{\lambda \in S} \lambda\right|$ is equal to

→

If the position vectors of the points A and B are $\vec{a}$ and $\vec{b}$ respectively, then the position vector of the mid-point of the line $A B$ will be :

→

$\int1.\text{dx}=$

$\text{x}+\text{k}$
$1+\text{k}$
$\frac{\text{x}^2}{2}+\text{k}$
$\log\text{x}+\text{k}$

→

The corner points of the feasible region determined by the system of linear constraints are (0, 10), (5, 5), (15, 15), (0, 20). Let Z = px + qy, where p, q > 0. Condition on p and q so that the maximum of Z occurs at both the points (15, 15) and (0, 20) is:

p = q
p = 2q
q = 2p
q = 3p

→

Answer

Need a full question paper?

Explore more

Similar questions

Matrices — Maths STD 12 Science — Question

Answer

Need a full question paper?

Explore more

Similar questions