Question

which one of the following is an irrational number​

Answer 1

Answer:

OPTION B IS CORRECT.

Step-by-step explanation:

$3 \sqrt{8} = 3 \times 2 \sqrt{2} \\ \\ = 6 \sqrt{2} \: is \: an \: irrational \: number. \\ \: \: \\ 3 \sqrt{8} \: is \: \: \: \: an \: irrational \: number.$

Answer 2

Answer:

d) -√0.64

-√0.8×√0.8

-0.8

b) 3√8

3×√2×√2×√2

3×2×√2

6√2