Question

Fill in the blanks.
(i) Zero has _________ reciprocal.
(ii) The numbers ___________ and __________ are their own reciprocals.
(iii) The reciprocal of $-5$ is _________.
(iv) Reciprocal of $\frac{1}{x}$, where $x\ne 0$ is _________.
(v) The product of two rational numbers is always a ______________.
(vi) The reciprocal of a positive rational number is _______________.

Answer 1

i) Zero has No reciprocal.

(ii) The numbers 1 and -1 are their own reciprocals.

(iii) The reciprocal of −55 is $\frac{-1}{5}$.

(iv) Reciprocal of $\frac{1}{x}$, where $x\ne 0$ is $x$.

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

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