Ask Singapore Homework?

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



Question

secondary 4 | A Maths
4 Answers Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
Kathy
Kathy

secondary 4 chevron_right A Maths chevron_right Singapore

Thank

Date Posted: 4 years ago
Views: 213

See 4 Answers

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
Q3a to Q3e

One more thing. We must do the differentiation first BEFORE substituting the value for x. Never the other way round, because if you substitute the value for x first, you will obtain a numeral for y, which differentiates to 0 when differentiated with respect to x.
Kathy
Kathy
4 years ago
For part c how u get 6?
Kathy
Kathy
4 years ago
Part e how u get when y=5?
Eric Nicholas K
Eric Nicholas K
4 years ago
From the question
Kathy
Kathy
4 years ago
Ok. I didn’t saw it
Kathy
Kathy
4 years ago
I post qns
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Q4 to Q6a
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Q6b to Q6e
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Q6f
Kathy
Kathy
4 years ago
Thank you so much