Question

1) zero has ________ reciprocal.
2) The numbers ______ and_______ are their own reciprocal.
3) The reciprocal of -5 is _______.
4) reciprocal of 1/x, where x not equal to 0 is ________.
5) The product of two rational number is always a _________.
6) The reciprocal of a positive rational number is ________.​

Answer 1

Answer:

(i) Zero has no reciprocal.

(ii) The numbers 1 and -1

are their own reciprocals

(iii) The reciprocal of -5 is -1/5.

(iv) Reciprocal of 1/x,

where x ≠ 0 is x.

(v) The product of two rational numbers is always a rational number.

(vi) The reciprocal of a positive rational number is positive.

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Answer 2

Answer:

1) no

2) 1 & -1

3) -1/5

4) x/1 or x

5) rational number

6) positive