NCERT Class 8 Solutions: Rational Numbers (Chapter 1) Exercise 1.1 – Part 2 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Q-3 Verify that: for.

Solution:

Given the Additive Inverse Law Apply in Equations

The additive inverse of is

As

The same equality , shows that the additive inverse of

There are

The additive inverse of is

As

The same equality shows that the additive inverse of

There are

Q-4 Find the multiplicative inverse of the following.

Solution:

Given the Multiplicative Inverse Law Apply in Equations