1. In this problem, you will prove the following Theorem: r E C if and only if there exists a ternary expansion of r using only xi E {0,2}. (a) Prove that x E C; if and only if x; E {0, 2}. (Think about how these sets are constructed!) (b) Now use this to prove the Theorem.

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Chapter2: Second-order Linear Odes
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1. In this problem, you will prove the following Theorem: x E C if and only if there exists a
ternary expansion of x using only x; E {0, 2}.
(a) Prove that x E C; if and only if x; E {0, 2}. (Think about how these sets are constructed!)
(b) Now use this to prove the Theorem.
Transcribed Image Text:1. In this problem, you will prove the following Theorem: x E C if and only if there exists a ternary expansion of x using only x; E {0, 2}. (a) Prove that x E C; if and only if x; E {0, 2}. (Think about how these sets are constructed!) (b) Now use this to prove the Theorem.
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