Here is the question. Can anyone tell me the answer and how they got it. I did the question wrong but I dont know how the given answer works. Could anyone pls explain. One week to the exam.
http://www4.boardofstudies.nsw.edu....wer=B&courseID=15110&testQuestionID=297723048
http://www4.boardofstudies.nsw.edu....wer=B&courseID=15110&testQuestionID=297723048