Show that a is the inverse of a for the addition operation + on R and `1/a`is the inverse of `a!=0`for the multiplication operation `xx` on R.

Show that – a is the inverse of a for the addition operation '+' on R and 1/a is the inverse of a ne 0 for the multiplication operation ‘xx’ on R.

Show that -a is the inverse of a for the addition operation '+' on R and 1/a is the inverse of a ne0 for the multiplication operation x on R.

Show that -a is the inverse of a for the addition opertion '+' on R and 1/a is the inverse of a ne 0 for the multiplication opertion 'x' on R.

Show that -a is the inverse of a for the addition opertion '+' on R and 1/a is the inverse of a ne 0 for the multiplication opertion 'x' on R.

Show that -a is the inverse of a for the addition opertion '+' on R and 1/a is the inverse of a ne 0 for the multiplication opertion 'x' on R.

Show that -a is not the inverse of a in N for the addition operation + on N and 1/a is not the inverse of a in N for multiplication operation xx on N, for a!=1 .

Show that -a is not the inverse of a in N for the addition opertion + on N and 1/a is not the inverse of a ne N for multiplication opertion xx on N , for a ne 1.