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Problem 2: a) Show that if you pick three books from a comic store containing just Marvel Comics and DC Comics, you must get either a pair of Marvel Comic books or a pair of DC Comic books. b) Prove or disprove that the product of a nonzero rational number and an irrational number is irrational.

Problem 2: a) Show that if you pick three books from a comic store containing just Marvel Comics and DC Comics, you must get either a pair of Marvel Comic books or a pair of DC Comic books. b) Prove or disprove that the product of a nonzero rational number and an irrational number is irrational.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Problem 2: a) Show that if you pick three books from a comic store containing just Marvel Comics and DC Comics, you must get either a pair of Marvel Comic books or a pair of DC Comic books. b) Prove or disprove that the product of a nonzero rational number and an irrational number is irrational.
Transcribed Image Text:Problem 2: a) Show that if you pick three books from a comic store containing just Marvel Comics and DC Comics, you must get either a pair of Marvel Comic books or a pair of DC Comic books. b) Prove or disprove that the product of a nonzero rational number and an irrational number is irrational.
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