alhamdulilah...
this test much much better than test 1 and test 2. for the beggining i not really confident with the question.. but alhmdulalah i got full mark for the question 1..
question 2: lost mark for explanation..aishhh 
question 3: i have no idea to solve this question..so sad 
question 4: blurr...do not know how to solve. i'm confius with 100% effiency. ???? 
but the result just ok..thank prof. 