Need help! A Maths Differentiation question!!!!

• Wayne Claudius

  2 Oct 10, 18:43

  hey guys? can y'all help me out please? :( I've been struggling to finish this!!!

   

  http://imgur.com/DtpHj.jpg

   

  thanks!

• wishboy

  2 Oct 10, 20:28

  y = 3/(x² + 2)² = 3(x² + 2)^-2

  dy/dx
  = -6(x² + 2)^-3 * 2x
  = -12x/(x² + 2)³

• Lord dejavu

  2 Oct 10, 20:29

  Very hard meh?

  y = 3.... oh, there you go.

   

• 105090

  2 Oct 10, 20:38

  chain rule... learnt it only 3 weeks back