Formula q_874 (Q681)
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Formula q_874 |
No description defined |
Statements
q_874
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| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Formula q_874 |
No description defined |
![{\displaystyle \left(\sum _{i=1}^{n+1}a_{i}\right)\left(\sum _{i=1}^{n+1}{\frac {1}{a_{i}}}\right)=\left[\left(\sum _{i=1}^{n}a_{i}\right)+a_{n+1}\right]\left[\left(\sum _{i=1}^{n}{\frac {1}{a_{i}}}\right)+{\frac {1}{a_{n+1}}}\right]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/f58f8bae172b2f755e46a5cd6d335f481ba52126)