Question

i) Define rational number with example.

ii) Write the additive inverse of 2

7

and multiplicative inverse of 7

9​

Answer 1

Answer:

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Answer 2

Answer:

1. The numbers which can be expressed as ratio of integers are known as rational numbers. The examples of rational numbers will be 1/4, 2/7, - 3/10, 34/7, etc. On solving equations like 3x + 5 = 0, we get the solution as x = -5/3. The solution -5/3 is neither a natural number or whole number or integer.
2. Additive inverse of 2 is -2. Multiplicative inverse of 7 is 1/7.

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