NCERT Class 8 Solutions: Rational Numbers (Chapter 1) Exercise 1.1 – Part 2

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Q-3 Verify that: for.

Solution:

Given the additive Inverse law apply in equations

Given the Additive Inverse Law

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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

Given the Multiplicative Inverse Law

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