Exercise 4.2.3: Find a counterexample. Find a counterexample to show that each of the statements is false. (b) If n is an integer and n2 is divisible by 4, then n is divisible by 4. (c) For every positive integer x, x3 < 2x.
Exercise 4.2.3: Find a counterexample. Find a counterexample to show that each of the statements is false. (b) If n is an integer and n2 is divisible by 4, then n is divisible by 4. (c) For every positive integer x, x3 < 2x.
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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Exercise 4.2.3: Find a counterexample.
Find a counterexample to show that each of the statements is false.
(b)
If n is an integer and n2 is divisible by 4, then n is divisible by 4.
(c)
For every positive integer x, x3 < 2x.
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