Use mathematical induction to prove the statements.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Use mathematical induction to prove the statements.
17. Prove that any amount of postage greater than or equal to 12 cents can be built using only 4-cent
and 5-cent stamps.
18. Prove that any amount of postage greater than or equal to 14 cents can be built using only 3-cent
and 8-cent stamps.
19. Prove that any amount of postage greater than or equal to 64 cents can be built using only 5-cent
and 17-cent stamps.
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