In the question mentioned above, when you gave your wife three talaqs in written and verbal froms, all the three took place and she was divorced with mughallazah bayinah (three irrevocable talaqs) and became haram for you. She should observe iddah of three menstruation periods and should not go out of home without exigence need and should abstain adornment . You shall be liable for the expenses of the three menstrutaion periods . And should give her an an avrage maintenance for her expenses. If you have not paid the mahr, you should also pay it and return the goods and dowry which your wife brought with her.
Allah (Subhana Wa Ta’ala) knows Best
Darul Uloom Deoband