4.4 Hausdorff Measure Problem 4.4. suppose that S = [a, b] × {0} is a closed line segment in R 2 . Show that H1 (S) = b − a. Hint: See Exercises 2.14, 2.15 and 2.17.

Ze trinomial x2 + bx – c has factors of (x + m)(x – n), where m, n, and b are positive. what is ze relationship between the values of m and n? explain how you got ze answer