Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

keketsu

  • 4 years ago

Why is the derivative of (1-x)^3 negative? I can see 3(1-x)^2, but why -3(1-x)^2?

  • This Question is Closed
  1. AnwarA
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    That's what the chain rule tells us. In other words, that is because the derivative of (1-x) is -1.

  2. keketsu
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    Thanks, AnwarA.

  3. AnwarA
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    You're welcome!

  4. Chlorophyll
    • 4 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    (U^n ) = n U^(n-1) * U' U = 1 -x -> U' = -1 => derivative result is negative!

  5. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy