Question

for eery rational number a,there exists multiplication inverse , is this state is true or flase​

Answer 1

Answer:

here it is

Step-by-step explanation:

except zero, reciprocals of every real number are real, reciprocals of every rational number are irrational, and reciprocals of every complex number are complex. This multiplicative inverse exists if and only if a and n are co-prime.

Answer 2

Answer:

false

Step-by-step explanation:

false,because 0 is also a rational no. and it's multiplicative inverse is 1/0 which is not defined