SOLVE THE FOLLOWING QUESTION. I WILL UPVOTE IF CORRECT SOLUTION PROVIDED

Question 3: Write RE for the following Language then convert it to DFA using following Steps. [20 marks] 1. RE to NFA-null conversion 2. NFA-null to NFA conversion 3. NFA to DFA conversion L={ww over ={a,b},w contains ab but does not end with aba}