化簡[94-2(2013)^0.5]^0.5?

2019-12-09 1:09 am

回答 (1)

2019-12-09 1:15 am

([94-2(2013)^0.5]^0.5)^2 = 94-2(2013)^0.5
2013 = 3×11×61 = 33×61
∴ 94-2(2013)^0.5 = (√61 - √33)^2
∴ √[94-2(2013)^0.5] = √61 - √33

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