1. Let A = {2, 3, 4, 5, 6} and B = {10, 11, 12, 13). Define a relation R on (A x B) as follows: a Rb if and only if gcd(a, b) = 1. a) Write out the elements of the relation R explicitly (remember, R is the set of ordered pairs from (A x B) that satisfy the given property). b) Write out the elements of the relation R¹ explicitly.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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**Problem Statement:**

1. Let \( A = \{2, 3, 4, 5, 6\} \) and \( B = \{10, 11, 12, 13\} \). Define a relation \( R \) on \( (A \times B) \) as follows: \( a \, R \, b \) if and only if \( \text{gcd}(a, b) = 1 \).

   a) Write out the elements of the relation \( R \) explicitly (remember, \( R \) is the set of ordered pairs from \( (A \times B) \) that satisfy the given property).

   b) Write out the elements of the relation \( R^{-1} \) explicitly.
Transcribed Image Text:**Problem Statement:** 1. Let \( A = \{2, 3, 4, 5, 6\} \) and \( B = \{10, 11, 12, 13\} \). Define a relation \( R \) on \( (A \times B) \) as follows: \( a \, R \, b \) if and only if \( \text{gcd}(a, b) = 1 \). a) Write out the elements of the relation \( R \) explicitly (remember, \( R \) is the set of ordered pairs from \( (A \times B) \) that satisfy the given property). b) Write out the elements of the relation \( R^{-1} \) explicitly.
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