1 | 1 | 1 | 1 | ||||
+ | + | + ... + | |||||
√2 | √3 | √4 | √1000 |
dx | 1 | dx | ||||
∫2 3( | ) ≤ | ≤ ∫1 2( | ) //■+■≤■≤■+■ | |||
√x | √2 | √x |
dx | 1 | dx | ||||
∫3 4( | ) ≤ | ≤ ∫2 3( | ) //■≤■≤■+■ | |||
√x | √3 | √x |
dx | 1 | dx | ||||
∫1000 1001( | ) ≤ | ≤ ∫999 1000( | ) | |||
√x | √1000 | √x |
dx | 1 | dx | ||||
∫2 1001( | ) ≤ ∑k=2 1000( | ) ≤ ∫1 1000( | ) | |||
√x | √k | √x |
1 | ||
60,449 ≈ 2(√1001−√2) ≤ ∑k=2 1000( | ) ≤ 2(√1000−1) ≈ 61,246 | |
√k |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
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