sstrike's answer to Avery Tan's Secondary 4 A Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
sstrike
Sstrike's answer
5377 answers (A Helpful Person)
1st
Avery Tan
Avery Tan
11 months ago
Thank you very much for the detailed explanation.
sstrike
Sstrike
11 months ago
welcome

This is the standard O exam Qn
Do pls fully diagest

Best wishes.