The equation xy = 0 in three dimensional space is represented by:… - Vidyadip

Question

The equation xy = 0 in three dimensional space is represented by:

A plane
Two plane are right angles
A pair of parallel planes
A pair of st. line

✓

Answer

Two plane are right angles

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Three Dimensional Geometry→Three Dimensional Geometry — all question types→MATHS STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

The function $f: R \rightarrow R$ defined by $f(x)=4+3 \cos x$ is

For which value of $k$, this funciton is continuous at $x=1$.$
f(x)=\left\{\begin{array}{cc}
\frac{x^2-3 x+2}{x-1}, & x \neq 1 \\
k, & x=1
\end{array}\right.
$

If vectors $(\text{x}-2)\ \vec{\text{a}}+\vec{\text{b}}$ and $(2\text{x}+1)\ \vec{\text{a}}-\vec{\text{b}}$ are parallel then x:

$\frac{1}{3}$
$3$
$-3$
$\frac{-1}{3}$

The probability that a leap year will have 53 fridays or 53 Saturdays is.

$\frac{2}{7}$
$\frac{3}{7}$
$\frac{4}{7}$
$\frac{1}{7}$

The probability distribution of a discrete random variable $X$ is given below:

$\text{X}:$	$1$	$2$	$3$	$4$
$\text{P}(\text{X}):$	$\frac{1}{10}$	$\frac{1}{5}$	$\frac{3}{10}$	$\frac{2}{5}$

The value of $E(X^2)$ is:

If $A$ is a skew-symmetric matrix of order 3 , then the value of $|A|$ is

If $\text{V}=\frac{4}{3}\pi\text{r}^3,$ at What rate in cubic units is V increasing when $\text{r}=10\frac{\text{dr}}{\text{dt}}=0.01?$

$\pi$
$4\pi$
$40\pi$
$4=\frac{\pi}{3}$

Which of the following differential equations has y = x as one of its particular solution?

$\frac{\text{d}^2\text{y}}{\text{dx}^2}-\text{x}^2\frac{\text{dy}}{\text{dx}}+\text{xy}=\text{x}$
$\frac{\text{d}^2\text{y}}{\text{dx}^2}+\text{x}\frac{\text{dy}}{\text{dx}}+\text{xy}=\text{x}$
$\frac{\text{d}^2\text{y}}{\text{dx}^2}-\text{x}^2\frac{\text{dy}}{\text{dx}}+\text{xy}=0$
$\frac{\text{d}^2\text{y}}{\text{dx}^2}+\text{x}\frac{\text{dy}}{\text{dx}}+\text{xy}=0$

Let a vector $\vec{\text{r}}$ make angles 60°, 30° with it and y-axes respectively. Find the angle $\vec{\text{r}}$ make with z-axis:

30°
60°
90°
120°

If A is a matrix of order m × n and B is a matrix such that AB′ and B′A are both defined, the order of the matrix B is:

m × m
n × n
n × m
m × n