All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions.
Since , A is maximum when
Back to 2015 A-level H2 Mathematics (9740) Paper 1 Suggested Solutions
One important point here is that student must leave the exact answers as it is, and should not wrong off. It clearly stated in instructions to only wrong off non-exact answers, but this is very exact.
[…] Question 4 Question 4 […]