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sqrt(66) = sqrt(2 x 3 x 11) =

sqrt(2) X sqrt(3) X sqrt(11) or

2^(1/2) X 3^(1/2) X 11^(1/2) = 66^(1/2)

Since 2.3. & 11 are all Prime number , their square roots are Irrational. Hence sqrt(66) is also irrational .

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lenpollock

Lvl 17
∙ 2d ago

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