Eric Nicholas K's answer to universe's Secondary 3 A Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
All the parts except part (iii) because I missed out part (iii). Will send part (iii) in the next post.