Please do the following questions with full handwritten working out Question 1 Explain why the following are not groups.(i) (N,+).(ii) (R,.).(iii) (Z,-) where - is subtraction.

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Answered: Question 1 Explain why the following…

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Question 1 Explain why the following are not groups. (i) (N,+). (ii) (R,.). (iii) (Z,-) where - is subtraction.

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter9: Multivariable Calculus

Section9.1: Functions Of Several Variables

Problem 3YT

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Please do the following questions with full handwritten working out

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Step 1: Introduce theorem

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Step 2: Show that (N,+) not a group

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Step 3: Show that (R,•)not a group

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Step 4: Show that (Z,-) not a group

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