Question

Root 8 minus root 2 is equal to

Answer 1

Answer:

√2  i.e. root 2

Step-by-step explanation:

√8 - √2 = √(4*2) - √2 = 2√2 - √2 = √2

Answer 2

Step-by-step explanation:

$= \sqrt{8} - \sqrt{2} \\ = \sqrt{4 \times 2} - \sqrt{2} \\ = 2\sqrt{2} - \sqrt{2} \\ = (2 - 1) \sqrt{2} \\ = 1 \sqrt{2} \\ = \sqrt{2}$