Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Tangent Lines

  1. Feb 28, 2010 #1
    1. The problem statement, all variables and given/known data
    show that the tangent line to y=(x2+x-2)3+3 at (1,3) is also tangent to the curve at another point

    2. Relevant equations

    3. The attempt at a solution
    at 1
    dy/dx = 0
  2. jcsd
  3. Feb 28, 2010 #2


    User Avatar
    Homework Helper

    Then solving the equations y=3 and y=y=(x2+x-2)3+3 will give you two solutions, you know (1,3) is a solution, you just need to get the other solution.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook