Let P(n) be the statement that a postage of n cents can be formed using just 4-cent stamps and 7-cent stamps. The parts of this exercise outline a strong induction proof that P(n) is true for n≥18. Show that the statements P(18), P(19), P(20), and P(21) are true, completing the basis step of the proof. (Please enter your answers as numeric values only.) (You must provide an answer before moving to the next part.) P(18) is true, because 18 cents of postage can be formed from P(19) is true, because 19 cents of postage can be formed from P(20) is true, because 20 cents of postage can be formed from P(21) is true, because 21 cents of postage can be formed from [ ] 4-cent stamps and 4-cent stamps and | 4-cent stamps and 4-cent stamps and 7-cent stamps. 7-cent stamps. 17-cent stamps. 7-cent stamps.

Let P(n) be the statement that a postage of n cents can be formed using just 4-cent stamps and 7-cent stamps. The parts of this exercise outline a strong induction proof that P(n) is true for n≥18. Show that the statements P(18), P(19), P(20), and P(21) are true, completing the basis step of the proof. (Please enter your answers as numeric values only.) (You must provide an answer before moving to the next part.) P(18) is true, because 18 cents of postage can be formed from P(19) is true, because 19 cents of postage can be formed from P(20) is true, because 20 cents of postage can be formed from P(21) is true, because 21 cents of postage can be formed from [ ] 4-cent stamps and 4-cent stamps and | 4-cent stamps and 4-cent stamps and 7-cent stamps. 7-cent stamps. 17-cent stamps. 7-cent stamps.

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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