Ashwin Hari Singh's answer to Xiaoyang's Junior College 1 H2 Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Ashwin Hari Singh
Ashwin Hari Singh's answer
1 answers (Tutor Details)
1st
If you still don't understand why D is the correct answer. Let me know