Calculus Volume 2 · free preview

Integration by Parts

Integration by parts reverses the product rule, splitting a product integrand into u and dv so the new integral is simpler, and it integrates logarithms, inverse trig functions, and products of polynomials with exponentials.

1. The formula and its origin

The formula and its origin

2. Logarithms and inverse functions

Logarithms and inverse functions

3. Repeated parts and the tabular method

Repeated parts and the tabular method

4. Definite integration by parts

Definite integration by parts

5. Formula origin

Integration by parts is the integral form of which differentiation rule?

6. LIATE priority

According to the LIATE mnemonic, which function should be chosen as u when integrating x times ln x?

7. Integral of ln x

Integration by parts on the integral of ln x dx chooses u = ln x and dv = dx. What is the result?

8. Cyclic case

Applying parts twice to the integral of e^x sin x dx returns the original integral I. Which equation results?

9. Tabular method purpose

What is the tabular method for repeated integration by parts?

10. Choosing dv

When integrating x times cos x by parts, which choice of dv is correct?

11. Parts pieces

In the parts formula integral of u dv equals uv minus integral of v du, how many pieces u and dv must be chosen initially? Answer with a number.

12. Integral of x cos x

Choosing u = x and dv = cos x dx gives du = dx and v = sin x. What is the integral of x cos x dx? Answer like x sin x + cos x + C.

13. Definite parts boundary

Definite integration by parts adds evaluation of uv at the limits. As two letters naming that term, what boundary piece appears? Answer like uv with a description.

14. LIATE letter for ln

The LIATE mnemonic orders u choices, and ln x heads the list. As one letter, which letter represents logarithms? Answer with an uppercase letter.

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