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7. Show that (a). (Z, +) # (Q, +). (b). (Q,+)# (Q\{0},.). (c). (R\{0},-) # (Q\{0},.). (d). (R\{0},-) (C\{0}, .). (e). (D4,-) (Z8, +). (f). (Z₂ x Z2, +) Z (Z₁, +). LEVA Ji

7. Show that (a). (Z, +) # (Q, +). (b). (Q,+)# (Q\{0},.). (c). (R\{0},-) # (Q\{0},.). (d). (R\{0},-) (C\{0}, .). (e). (D4,-) (Z8, +). (f). (Z₂ x Z2, +) Z (Z₁, +). LEVA Ji

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 56E
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7. Show that (a). (Z, +) # (Q, +). (b). (Q,+)# (Q\{0},.). (c). (R\{0},-) (Q\{0}, -). (d). (R\{0},-) (C\{0}, .). (e). (D4,-) (Z8, +). (f). (Z₂ x Z2, +) Z (Z₁, +). GERAL Ji
Transcribed Image Text:7. Show that (a). (Z, +) # (Q, +). (b). (Q,+)# (Q\{0},.). (c). (R\{0},-) (Q\{0}, -). (d). (R\{0},-) (C\{0}, .). (e). (D4,-) (Z8, +). (f). (Z₂ x Z2, +) Z (Z₁, +). GERAL Ji
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