Answered: Let A = {1, 2, 3}, B= {4,5,6, 7} If f:…

Let A = {1, 2, 3}, B= {4,5,6, 7} If f: A x B → N with f((a, b) = b – a , find the following. a. f (C) where C = {(2,6) |b E B} b. f-1 ({3, 4})

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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Question

Let A = {1,2, 3}, B= {4,5,6, 7} . If
f: A x B → N with f((a, b) = b – a , find the
following.
a. f (C) where C = {(2,6) |b E B}
b. f-1 ({3, 4})

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