R denotes the set of real numbers and (*) is an operation on R such that a * B = a +B+ aß for all a, B, e R. If SCR, then which one of the following pairs is an abelian group? (a) {S, *}, S = R (b) {S, *}, S = R\{0} (c) {S, +}, S = R\(1} (d) {S, *}, s =R\– 1}

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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denotes the set of real numbers and (*) is an
operation on R such that a * B = a +B+ aß for
%3D
all a, B, E R.
If SCR, then which one of the following pairs
is an abelian group?
(a) {S, *}, S = R
(b) {S, *}, S = R\{0}
(c) {S, +}, S = R\(1}
(d) {S, +}. S =R\{=1}
Transcribed Image Text:denotes the set of real numbers and (*) is an operation on R such that a * B = a +B+ aß for %3D all a, B, E R. If SCR, then which one of the following pairs is an abelian group? (a) {S, *}, S = R (b) {S, *}, S = R\{0} (c) {S, +}, S = R\(1} (d) {S, +}. S =R\{=1}
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