Ask Singapore Homework?

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



Question

junior college 2 | H1 Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Jeanette Tan
Jeanette Tan

junior college 2 chevron_right H1 Maths

How do u do this qn? Plz hlp

Date Posted: 6 years ago
Views: 432

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Tham KY
Tham Ky's answer
6052 answers (Tutor Details)
1st
...
hiranndas
Hiranndas
6 years ago
take the second derivative of the function to justify the value is maximum. (the slope will be negative if the function is maximum)