Please explain in detail?
If ° represents one of the operations +, -, and ×,
is k ° (l + m) = (k ° l ) + (k ° m) for all numbers k, l ,
and m ?
(1) k ° 1 is not equal to 1 ° k for some numbers k.
(2) ° represents subtraction.
D
If ° represents one of the operations +, -, and ×,
is k ° (l + m) = (k ° l ) + (k ° m) for all numbers k, l ,
and m ?
(1) k ° 1 is not equal to 1 ° k for some numbers k.
(2) ° represents subtraction.
D
