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March 24, 2017

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Find the derivative of

y = 3x+2/x+1

  • Calculus - ,

    y=3+2ln|x|

  • Calculus - ,

    y = 3x + 2(x+1)^-1
    dy/dx = 3 -2(x+1)^-2 or

    = 3 - 2/(x+1)^2

  • Calculus - ,

    y = (3x+2)/(x+1)
    y' = [(3)(x+1) - (3x+2)(1)]/(x+1)^2
    = (3x + 3 - 3x - 2)/(x+1)^2
    = 1/(x+1)^2

    See what a difference proper punctuation makes? Three reasonable interpretations of your problem, all giving different solutions.

    USE PARENTHESES FOR CLARITY!

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