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Vlad [161]
2 years ago
8

In the following exercises, identify whether each number is rational or irrational.

Mathematics
1 answer:
klasskru [66]2 years ago
7 0

Answer:

(a) √25 rational

(b) √30 irrational

Step-by-step explanation:

Note : only perfect squares have rational roots

25 = 5² then 25 is a perfect square

            therefore √25 = 5 is a rational number

30 cannot be written in the form a² where ‘a’ I start a natural number then 30 is not a perfect square

           Therefore √30 is irrational.

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