Question

Please tell me what is the answer with the method (2+√2)2 (two + root two to the power of two.)

Answer 1

Answer:

6+4root2

ans 11.65685425

Answer 2

Answer:

$6 + 4 \sqrt{2}$

Step-by-step explanation:

${(2 + \sqrt{2} )}^{2} \\ = {2}^{2} + { \sqrt{2} }^{2} + 2 \times 2 \times \sqrt{2} \\ = 4 + 2 + 4 \sqrt{2 } \\ = 6 + 4 \sqrt{2}$

Hope it helps you.

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