Hi Sarah! Welcome to our session today. I see you've been working through integration by parts. Would you like to start with problem 4.2 from your worksheet, or do you have a specific question in mind?
2:31 PM
SP
Hi Dr. Rodriguez! Thanks for meeting with me. I'm really struggling with choosing u and dv correctly in trigonometric integrals. Could we walk through problem 4.2 together?
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ER
Absolutely! That's a very common sticking point. The LIATE rule (Logarithmic, Inverse trig, Algebraic, Trig, Exponential) is your best friend here. Let's look at ∫ x·sin(x) dx. According to LIATE, which term would you assign to u?