Problem 6. Consider the subset Co = [0, 1]C R. Recursively, define the sets Cn+1 = 3 2, Cn + 3 [a, b], then the notation A/3 describes the interval for n > 1, where, if we let A = [a/3, 6/3] and the notation A + 2/3 describe the interval [a + 2/3,6+2/3]. (a) Describe and draw the sets C1, C2, C3 and C4 as a union of explicit intervals. (b) Show that the intersection NCn is non-empty.

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## Problem 6

Consider the subset \( C_0 = [0, 1] \subseteq \mathbb{R} \). Recursively, define the sets

\[
C_{n+1} = \frac{C_n}{3} \cup \left( \frac{2}{3} + \frac{C_n}{3} \right),
\]

for \( n \geq 1 \), where, if we let \( A = [a, b] \), then the notation \( A/3 \) describes the interval \([a/3, b/3]\) and the notation \( A + 2/3 \) describes the interval \([a + 2/3, b + 2/3]\).

(a) Describe and draw the sets \( C_1, C_2, C_3 \) and \( C_4 \) as a union of explicit intervals.

(b) Show that the intersection \( \bigcap_{n=1}^{\infty} C_n \) is non-empty.
Transcribed Image Text:## Problem 6 Consider the subset \( C_0 = [0, 1] \subseteq \mathbb{R} \). Recursively, define the sets \[ C_{n+1} = \frac{C_n}{3} \cup \left( \frac{2}{3} + \frac{C_n}{3} \right), \] for \( n \geq 1 \), where, if we let \( A = [a, b] \), then the notation \( A/3 \) describes the interval \([a/3, b/3]\) and the notation \( A + 2/3 \) describes the interval \([a + 2/3, b + 2/3]\). (a) Describe and draw the sets \( C_1, C_2, C_3 \) and \( C_4 \) as a union of explicit intervals. (b) Show that the intersection \( \bigcap_{n=1}^{\infty} C_n \) is non-empty.
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