Respuesta :

echebiricollins17

Answer:

(9 – 4√2)/(9 + 4√2)

Step-by-step explanation:

(1 – 2√2)²/(1 + 2√2)²

Expanding the brackets, we have:

[(1 – 2√2)(1 – 2√2)]/[(1 + 2√2)(1 + 2√2)]

[1 – 2√2 – 2√2 + 8]/[1 + 2√2 + 2√2 +8]

[9 – 4√2]/[9 + 4√2]

koredeyusuf799

Answer:

81/49

Step-by-step explanation:

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