2x |
x-1 |
x-1 |
2x |
|
2x |
x-1 |
x-1 |
2x |
|
1 |
x |
1 |
y |
1 |
y |
1 |
y |
7 |
y |
1 |
y2 |
1 |
3 |
1 |
4 |
1 |
3 |
1 |
9 |
1 |
3 |
1 |
4 |
1 |
16 |
1 |
4 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
3 |
|
|
|
|
1 |
4 |
1 |
4 |
2a-1 |
a |
1 |
2 |
1 |
2 |
1 |
2 |
x |
x-1 |
2x |
x-1 |
10 |
x+2 |
k |
x |
x |
x2-2 |
x2-2 |
x |
x |
x2-2 |
A.y2+3y+1=0 | B.y2+3y-1=0 | C.y2-3y+1=0 | D.y2-3y-1=0 |
6 |
x2-x |
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