(*) Dirichlet's approximation theorem states that for any real numbers a, ß, ß≥ 1, there exist integers p and q such that 1 ≤q≤ß and qa-pl≤ 1 1 B+1 B (LB denotes the integer part of ß). Prove Dirichlet's approximation theorem with the help of the pigeon hole principle.

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Chapter2: Second-order Linear Odes
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6. (*) Dirichlet's approximation theorem states that for any real numbers a, ß, ß ≥ 1, there
exist integers p and q such that 1 ≤q≤ß and
qa-pl≤-
1
1
<
LBJ+1 B
(LB denotes the integer part of B).
Prove Dirichlet's approximation theorem with the help of the pigeon hole principle.
Transcribed Image Text:6. (*) Dirichlet's approximation theorem states that for any real numbers a, ß, ß ≥ 1, there exist integers p and q such that 1 ≤q≤ß and qa-pl≤- 1 1 < LBJ+1 B (LB denotes the integer part of B). Prove Dirichlet's approximation theorem with the help of the pigeon hole principle.
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