II. Prove the following using Direct Proof. 6. If x is an odd number and y is even number, then x + y + xy is an odd number. 7. If x is an even umber, then 2x2 + 3x + 5 is an odd number.
II. Prove the following using Direct Proof. 6. If x is an odd number and y is even number, then x + y + xy is an odd number. 7. If x is an even umber, then 2x2 + 3x + 5 is an odd number.
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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