Question

which has no reciprocal?
a)0
b)1
c)-1​

Answer 1

Answer:  a) 0

Step-by-step explanation:

a) 0

Reciprocal of $\frac{0}{1}$= $\frac{1}{0}$   Since 0 is the denominator it has no reciprocal.

Answer 2

Answer:

0

Step-by-step explanation:

We know that there is no rational number which when multiplied with 0, gives 1. Therefore, rational number 0 has no reciprocal or multiplicative inverse.