Let G = Dg = (a, b : at = b = e,b 'ab z =...

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Let G = Dg = (a, b : at = b = e,b 'ab z = b+ a?b € CG. = a 1). Let Given these two statements : (1) zg = gz for all g e G. (2) zr = rz for all r e CG. Which of the above statement(s) is TRUE? Select one: a. Only (1) O b. Only (2) O c. Both are true. O d. Both are false. Let G = Dg = (a, b : at = b = e,b 'ab z = b+ a?b € CG. = a 1). Let Given these two statements : (1) zg = gz for all g e G. (2) zr = rz for all r e CG. Which of the above statement(s) is TRUE? Select one: a. Only (1) O b. Only (2) O c. Both are true. O d. Both are false.