2x |
4x+1 |
2x1 |
4x1+1 |
2x2 |
4x2+1 |
2x1(4x2+1)-2x2(4x1+1) |
(4x1+1)(4x2+1) |
2x14x2+2x1-2x24x1-2x2 |
(4x1+1)(4x2+1) |
2x1+2x2 +2x1-2x2+2x1 -2x2 |
(4x1+1)(4x2+1) |
(2x1+x2 -1)(2x2 -2x1) |
(4x1+1)(4x2+1) |
(2x1+x2 -1)(2x2 -2x1) |
(4x1+1)(4x2+1) |
2-x |
4-x+1 |
2x |
4x+1 |
2x |
4x+1 |
{ |
0(x=0) -
|