• Want to help us with this year's BoS Trials?
    Let us know before 30 June. See this thread for details
  • Looking for HSC notes and resources?
    Check out our Notes & Resources page

Search results

  1. A

    Why does the second derivative fail for y=x^4 and other similar functions?

    Oh ok. Would I have to test surrounding points for every stationary point tested this way?
  2. A

    Why does the second derivative fail for y=x^4 and other similar functions?

    Hey guys, I was wondering why the second derivative gives me an incorrect answer to this question: 'Find the coordinates and nature of the stationary points on the curve y= x4.' Knowing the graph for the curve, the answer is obviously (0,0) as a minimum turning point. I've obtained the...
Top