Here are the reasons:
Sometimes the questions are just impossible to be anwsered.(Anwser till hang myself dee)
I knoe where is my mistakes in this 2nd question.It should be
the integral of 'bruce wayne' d(bat) form 0 to bat = batman
This lecturer is crazy,he loves my anwser but refused to give me any marks.SWT
I didn't knoe that i'm not allowed to modify the questions(haha)
There were times i really dunno wat the lecturer wants.I already explained the shape of the graph and he still give me an egg.
I already expand the equation like how my stomach expand when i eat lots of yummulicious food.Still i get wrong.