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From the set A={3,root2,2root3,root9,root7},a number is selected at random.find the probability that is a rational number.
10 years ago

Answers

Reiny
A = { 3, √2, 2√3, √9, √7} , but √9 = 3 which is rational,
so you have 2 rationals out of the 5

well ?
10 years ago

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