(2+underroot2)square
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Answer:
6+4√2
Step-by-step explanation:
(2+√2)²=4+2+2*2*√2=6+4√2
Answer:
6 + 4√2
Step-by-step explanation:
==: (2 + √2)²
==: (2)² + (√2)² + 2*2*√2
==: 4 + 2 + 4√2
==: 6 + 4√2
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