Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
See 4 Answers
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
if the normal at x=-4 is perpendicular to the tangent, it means the tangent at x=-4 is parallel to the tangent. so dy/dx is still 15. hope this helps!
Date Posted:
7 years ago
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
expand using general binomial expansion. for part ii, do comparison of terms, for the first constant term, x term and x-squared terms, to get the 3 unknowns.
Date Posted:
7 years ago