1 | 1 | 1 | 2 | 1 | 1 | ||||||
( | + | )+ | ( | + | ) | ||||||
(x+y)2 | x2 | y2 | (x+y)3 | x | y |
1 | x2+y2 | 2 | x+y | ||||
* | + | * | = | ||||
(x+y)2 | x2y2 | (x+y)3 | xy |
(x+y)(x2+y2)+2xy(x+y) | (x+y)(x2+y2+2xy) | |||
= | = | = | ||
x2y2(x+y)3 | x2y2(x+y)3 |
(x+y)2 | 1 | |||
= | = | |||
x2y2(x+y)3 | x2y2(x+y) |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
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