Show that addition and multiplication ar...

Show that addition and multiplication are associative binary operation on R. But subtraction is not associative on R. Division is not associative on R*.

Text Solution

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"`Addition "`

`**` is associative if
`(a**b)**c=a**(b**c)`
`(a**b)**c=(a+b)**c=(a+b)+c=a+b+c` ...

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