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Give a proof for the statement. (h) For all integers x and y, x² – 4y ‡ 2. You can use the following fact in your proof: If n² is an even integer, then n is also an even integer.

Give a proof for the statement. (h) For all integers x and y, x² – 4y ‡ 2. You can use the following fact in your proof: If n² is an even integer, then n is also an even integer.

Advanced Engineering Mathematics
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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Give a proof for the statement. (h) For all integers x and y, x² - 4y ‡ 2. You can use the following fact in your proof: If n² is an even integer, then n is also an even integer.
Transcribed Image Text:Give a proof for the statement. (h) For all integers x and y, x² - 4y ‡ 2. You can use the following fact in your proof: If n² is an even integer, then n is also an even integer.
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