For a non-zero number a, its multiplicative inverse is just ... 1/a ...it's just the "reciprocal" of a number.....0 doesn't have a multiplicative inverse becuase we can't divide 1/0 !!!!
For a non-zero number a, its multiplicative inverse is just ... 1/a ...it's just the "reciprocal" of a number.....0 doesn't have a multiplicative inverse becuase we can't divide 1/0 !!!!