### Home > APCALC > Chapter 12 > Lesson 12.2.2 > Problem 12-79

12-79.

Examine the integral

Explain why this integral cannot be evaluated exactly.

Estimate

, using a Riemann sum with five left endpoint rectangles. Use substitution and the sixth-degree Maclaurin polynomial for

to get an approximation of. Estimate

using your polynomial from part (c). How can you improve your answers to parts (b) and (d)?

Use more ________.