Ex.1.1 Q11 Rational Numbers Solution - NCERT Maths Class 8

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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 \(\begin{align}\frac{1}{x},\end{align}\) where \(\begin{align}x \ne 0\end{align}\) is________.

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

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

 Video Solution
Rational Numbers
Ex 1.1 | Question 11

Text Solution

Steps:

(i) Zero has     no    reciprocal

(ii) The numbers \(\underline{\,\,\,1\,\,\,}\)   and \(\underline{\;\;(–1)\;\;}\) are their own reciprocals.

(iii) The reciprocal of \((–5) \) is \(\begin{align}\underline{\quad\frac{1}{{ - 5}}\quad}\end{align}\)

(iv) Reciprocal of \(\begin{align}\frac{1}{x}\end{align}\) where \(\begin{align}x \ne 0 \end{align}\) is\(\begin{align}\underline{\quad x.\quad}\end{align}\)

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

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