For Exercises 49–52, complete the square before using an appropriate trigonometric substitution.
∫ 1 / √(x² - 2x + 5) dx
For Exercises 49–52, complete the square before using an appropriate trigonometric substitution.
∫ 1 / √(x² - 2x + 5) dx
Evaluate the integrals in Exercises 69–134. The integrals are listed in random order so you need to decide which integration technique to use.
123. ∫ √x * √(1 + √x) dx
Find by evaluating the following indefinite integral.
Variations on the substitution method Evaluate the following integrals.
∫ y²/(y + 1)⁴ dy
Which of the following expressions is equivalent to the indefinite integral ?
Find the general indefinite integral. (Use c for the constant of integration.)
Find by evaluating the following indefinite integral.
37–56. Integrals Evaluate each integral.
∫ dx/x√(16 + x²)
2–74. Integration techniques Use the methods introduced in Sections 8.1 through 8.5 to evaluate the following integrals.
3. ∫ (3x)/√(x + 4) dx
7–40. Table look-up integrals Use a table of integrals to evaluate the following indefinite integrals. Some of the integrals require preliminary work, such as completing the square or changing variables, before they can be found in a table.
18. ∫ dx / (225 − 16x²)
Use the given substitution to evaluate the following indefinite integrals. Check your answer by differentiating.
∫ (6𝓍 + 1) √(3𝓍² + 𝓍) d𝓍 , u = 3𝓍² + 𝓍
90–103. Indefinite integrals Determine the following indefinite integrals.
∫ (2x +1)² dx
Evaluate the indefinite integral:
Evaluate the integrals in Exercises 29–32 (b) using a trigonometric substitution.
∫ [x / √(4 − x²)] dx
Evaluating integrals Evaluate the following integrals.
∫ (9𝓍⁸―7𝓍⁶) d𝓍