Look at the table of the TF values for the terms from three documents. Calculate the IDF values for these terms. Please round the IDF values to two decimal places (for example, 0.09). 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 |