Question 18 The reciprocal of 0 is (a) 1 (b) –1 (c) 0 (d) Not defined
The reciprocal of 0 is not defined. [∵10is not defined]
The correct answer is option (d).
Question 16 The reciprocal of 1 is (a) 1 (b) –1 (c) 0 (d) Not defined
Question 17 The reciprocal of -1 is (a) 1 (b) –1 (c) 0 (d) Not defined