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    				| 1. | `1/(7+3sqrt(2))` के हर का परिमेय करण कीजिए। | 
| Answer» `1/(7+3sqrt(2))=1/(7+3sqrt(2))xx((7-3sqrt(2))/(7-3sqrt(2)))=(7-3sqrt(2))/(49-18)=(7-3sqrt(2))/31` | |