y3 + y2z − yx2 − x2z | |
y3 + y2x − yz2 − z2x |
y2(y+z)−x2(y+z) | (y+z)(y2−x2) | ||
= | = | ||
y2(y+x)−z2(y+x) | (y+x)(y2−z2) |
(y+z)(y−x)(y+x) | ||
= | = skracając | |
(y+x)(y−z)(y+z) |
y−x | ||
= | ||
y−z |
z−y | z−y | |||
= | == | =−1 | ||
y−z | −1(z−y) |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
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