线性代数示例

x = 0

$x = 0$

解题步骤 1

定义域为全部有效

x

$x$ 值的集合。

{x | x = 0}

${x | x = 0}$

解题步骤 2

x = 0

$x = 0$

(

(

)

)

|

|

[

[

]

]

√

√





≥

≥





{

{

}

}

A

A





7

7

8

8

9

9













≤

≤





∪

∪

∩

∩

B

B





4

4

5

5

6

6

/

/

^

^

×

×

>

>





π

π













1

1

2

2

3

3

-

-

+

+

÷

÷

<

<

!

!















,

,

0

0

.

.

%

%



=

=









[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$