| (x−1)3 | |
| (1−x)4 |
| (x−5)2 | |
| (x2−25) |
| x2−5x+6 | |
| 2x2−7x+3 |
| x3+2x2+x | |
| x3+x2+5x+5 |

PILNE




/ i nic nie rozumiem....
/
| (x−1)3 | (x−1)3 | |||
a) | = | = (x−1)(4−3 i x−1≠0 = x−1 i x≠1 ; | ||
| (1−x)4 | (x−1)4 |
| (x−5)2 | (x−5)2 | x−5 | ||||
b) | = | = | i x≠5 i x≠ −5 ; | |||
| x2−25 | (x−5)(x+5) | x+5 |
| x2−5x+6 | x2−2x−3x+6 | x(x−2)−3(x−2) | ||||
c) | = | = | = | |||
| 2x2−7x+3 | 2x2−6−x+3 | 2x(x−3)−1(x−3) |
| (x−2)(x−3) | x−2 | |||
= | = | i x≠3 i x≠12 ; | ||
| (x−3)(2x−1) | 2x−1 |
| x3+2x2+x | x(x2+2x+1) | |||
d) | = | = | ||
| x3+x2+5x+5 | x2(x+1)+5(x+1) |
| x(x+1)2 | x(x+1) | |||
= | = | i x≠−1 , no i to tyle . ... | ||
| (x+1)(x2+5) | x2+5 |
| ( x −1)3 | ( x −1)3 | 1 | ||||
a) | = | = | ; x ≠ 1 | |||
| ( 1 − x)4 | ( x − 1)4 | x − 1 |