Ask Singapore Homework?

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



Ask ManyTutors

Question

secondary 4 | A Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
xinrann
Xinrann

secondary 4 chevron_right A Maths

can i have help with this? spent a lot of time on it but still couldn't do.

Date Posted: 7 years ago
Views: 382
add a comment

See 1 Answer

Ask ManyTutors
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Rifkee Muhd
Rifkee Muhd's answer
3 answers (A Helpful Person)
xinrann
Xinrann
7 years ago
sorry can i know why is there a 1/2 square root y?
Rifkee Muhd
Rifkee Muhd
7 years ago
Using Chain Rule of Differentiation where derivative of y = sqrt(x) is in the form of dy/dx = 1/2sqrt(x) * 1 (the 1 is obtained by differentiating what's inside the square root which in this case is just x. Apply this rule to the question.