x2+x−1 | ||
∫ | ||
x4−1 |
1 | 1 | 2x | 2x | |||||
... = | + | ( | − | ) | ||||
x2+1 | 4 | x2−1 | x2+1 |
x2+x−1 | x2−1 | x | ||||
∫ | dx=∫ | dx+∫ | dx | |||
x4−1 | x4−1 | x4−1 |
dx | x | |||
=∫ | +∫ | dx | ||
x2+1 | x4−1 |
x | ||
∫ | dx | |
x4−1 |
1 | |
dt=xdx | |
2 |
1 | 1 | ||
∫ | dt | ||
2 | t2−1 |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
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