Help Evaluating Integrals

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1.) ∫ (2)/(x-4) dx

2.) ∫ sec^2x tanx dx

3.) ∫ 2 csc^2 xdx

4.) ∫ (3) / sqtr(x+3) dx

5.) ∫ (2x-1) / (x^2 - x)

  • Help Evaluating Integrals -

    5.) ç (2x-1) dx / (x^2 - x)

    let x^2 -x = u
    du = 2x -1

    Integral = ç du/u = ln u = ln(x^2-u)

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