Question

妍

求解🙏🏻

類題
2
TEA √6+ √11 - √6-√TI = √√2.
.

Answer 1

Ian

如圖

妍

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Answer 2

qn

設 a = √(6+√11) - √(6-√11)
a² = (6+√11) + (6-√11) - 2√[(6+√11)(6-√11)]
= 12 - 2√[36 - 11]
= 12 - 2√25
= 2
a = ±√2
因 a > 0
故 a = √2

妍

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