Question

Need help with this question guys..
http://gyazo.com/312fe42722e867a02c717fae924a0a1f

Answer 1

@agent0smith

Answer 2

haha

Answer 3

yupp im terrible at math -.-

Answer 4

:(
i have to do maths for engineers 2 :(
final maths course for my degree then no more maths :D

Answer 5

then do ur best :)

Answer 6

i will try

Answer 7

You're given a trial solution: (9sin x)/x. Please find the derivative of that. Hint: use the quotient rule.

Answer 8

9 sin x
I should have written y = ----------; find dy/dx (or y ', which is the same thing).
x

Answer 9

ok so the quotient rule that is Vdu/dx - Udv/dx all over V^2 right?

Answer 10

can you solve it while i try working on it as well?

Answer 11

To BizPro's first question: yes. That's the Quotient Rule.

Clara? Are you trying to find the derivative of y as defined above?

Answer 12

mathmale i got this