Question

Which of the following is irrational number

√4

3√8

√100

-√0.64​

Answer 1

Answer:

3√8

Step-by-step explanation:

$3 \sqrt{8} = 3 \sqrt{4 \times 2} \\ = 3 \times 2 \sqrt{2} = 6 \sqrt{2}$

and √2 is irrational.

and √2 is irrational. If you multiply rational with irrational it will be irrational.

and √2 is irrational. If you multiply rational with irrational it will be irrational.therefore 3√8 is irrational.

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