maths mid term solution is out!!!

yahz...as the title says..the maths mid term solution which i took just last night is out...damn farking fast...got 9 or 10 out of 12...i think it's considered good bahz...anyway..i got the question which i completely don'y know how to do correct...i selected the most complicated answer if i remember correctly...got a careless mistake and a lucky point...i guess that cancel off each other...then the other question which i didn't know how to do is damn simple larz...and it only appear so to me after the test....

i hope miracles can happen for my physics...i dun wanna fail it lehz...i really hope larz...