Search results

  1. S

    Partial Fraction Decomposition problem

    Ohh okay I see. Thanks so much for the help! Would you be willing to help me with another partial fraction decomposition question?
  2. S

    Partial Fraction Decomposition problem

    Ohh okay, I'm glad it's not incorrect then! Here's the other solution I was referring to :
  3. S

    Partial Fraction Decomposition problem

    Homework Statement Evaluate ∫((secx)^2)/[((tanx)^2)+(3tanx)+2] Homework Equations Partial fraction decomposition The Attempt at a Solution So here's what I did: But this is incorrect. It says the correct answer is -2lnabs(\frac{1}{2tanx+3}+\sqrt{4(tanx+3/2)^{2}-1}), which was...
  4. S

    Substitution and Integration by Parts

    I see my mistake now! Thanks for the help :)
  5. S

    Substitution and Integration by Parts

    Homework Statement First make a substitution and then use integration by parts to evaluate the integral. ∫x^{7}cos(x^{4})dx Homework Equations Equation for Substitution: ∫f(g(x))g'(x)dx = ∫f(u)du Equation for Integration by Parts: ∫udv = uv - ∫vdu The Attempt at a Solution So...
  6. S

    Integration by Parts 5x ln(4x)dx

    Oh whoops! I can't believe I didn't notice such an obvious mistake. Thanks, I got the right answer now. :)
  7. S

    Integration by Parts 5x ln(4x)dx

    Homework Statement Use integration by parts to evaluate the integral. ∫5x ln(4x)dx Homework Equations ∫udv = uv - ∫vdu The Attempt at a Solution So here's my solution: But the computer is telling me I'm wrong :( We haven't learned how to integrate lnx yet, so the...
Top