Respuesta:
Explicación paso a paso:
6) primero hallamos el elemento neutro RPTA: C
e=b
a*a^-1=e=b
a^-1=c
b*b^-1=b
b^-1=b
c*c^-1=b
c^-1= a
d*d^-1=b
d^-1=d
(b^-1 * a^-1)^-1 * ( d^-1 * b)^-1
( b*c)^-1 * ( d * b)^-1
c^-1 * d^-1
a*d =c
7)primero hallamos el elemento neutro RPTA: B
a*a^-1=b
c^-1=a
E=[ (a*a^-1)^-1 * b^-1 ]^-1
E= [ b^-1 * b^-1]^-1
E= [ b * b]^-1
E= b^-1
E= b
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Respuesta:
Explicación paso a paso:
6) primero hallamos el elemento neutro RPTA: C
e=b
a*a^-1=e=b
a^-1=c
b*b^-1=b
b^-1=b
c*c^-1=b
c^-1= a
d*d^-1=b
d^-1=d
(b^-1 * a^-1)^-1 * ( d^-1 * b)^-1
( b*c)^-1 * ( d * b)^-1
c^-1 * d^-1
a*d =c
7)primero hallamos el elemento neutro RPTA: B
e=b
a*a^-1=b
a^-1=c
b*b^-1=b
b^-1=b
c*c^-1=b
c^-1=a
d*d^-1=b
d^-1=d
E=[ (a*a^-1)^-1 * b^-1 ]^-1
E= [ b^-1 * b^-1]^-1
E= [ b * b]^-1
E= b^-1
E= b