Look at the table of the TF values for the terms from three documents. Calculate the TF-IDF values for these terms in doc2. Round the TF-IDF values to two decimal places (for example, 0.09) and enter the answers separated by spaces.
| term | doc1 | doc2 | doc3 |
|---|---|---|---|
| learning | 0 | 0.35 | 0.21 |
| English | 0.1 | 0 | 0.31 |
| topic | 0.27 | 0 | 0 |
| best | 0.5 | 0.1 | 0.28 |