Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

secondary 4 | A Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Dunelm
Dunelm

secondary 4 chevron_right A Maths chevron_right Singapore

Need help with this question. Thank you.

Date Posted: 2 years ago
Views: 186

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
griff
Griff's answer
71 answers (Tutor Details)
1st
(i) - algebraic manipulation
(ii) - first differential
(iii) - second differential
Dunelm
Dunelm
2 years ago
How did you get from r^2 to r at (I)?