Based on the Edexcel syllabus.
On the differentiation assessment, Q2c the markscheme says >0 therefore minimum, whereas it is <0 and Maximum. I have checked this definitely by graphing the function.
will not interrupt what you are doing.
Samantha Clegg
26th Apr 2018 Flag Comment
On the differentiation assessment, Q2c the markscheme says >0 therefore minimum, whereas it is <0 and Maximum. I have checked this definitely by graphing the function.