1-Find-the-length-of-each-of-the-following-a-x-3-lt-x-lt-7-b-x-2-x-6-3-x-1-c-x-2-x-lt-5-1-lt-x-7-2-Let-I-a-b-Prove-that-I-is-mea

Question Number 208367 by Mastermind last updated on 13/Jun/24

1 . Find the length of each of the following

(a) {x : - 3 < x < 7}

(b) {x : 2 ⩽ x ⩽ 6} \cup {- 3 ⩽ x ⩽ - 1}

(c) {x : - 2 ⩽ x < 5} \cup {1 < x ⩽ 7}

2 . Let I = (a, b) . Prove that I is measurable

and m (I) = L (I) .