I have to solve this question with this solution way. But I made some mistakes while solving. I cannot see thesemistakes. And I cannot reach the wanted result properly. Please somebody helps me. Thank you so much. I Will be happy to help me.
I added an example from my notebook. I need to solve the question 11.6.4(above picture) with this example's solution way. I tried to solve the question 11.6.4 with this solution way. But I failed.
The example's photo is folowing..