Question

(2+√2)²
plz answer I'm not getting as early​

Answer 1

Answer:

Step-by-step explanation:

$(a+b)^2 = a^2 + 2ab + b^2\\\\(2 + \sqrt{2})^2\\= (2)^2 + (2 * 2 * \sqrt{2}) + (\sqrt{2})^2\\= 4 + 4\sqrt{2} + 2\\= 6 + 4\sqrt{2}$

Answer 2

8

Step-by-step explanation:

(2√2)²=(√2×2²)²=(√2×4)²=(√8)²=8.