Solution 1.1:4c

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<math>\sqrt{2}</math> är inte ett rationellt tal, dvs. går inte att skriva som en kvot mellan två heltal, och då går det inte heller att skriva <math>\sqrt{2}/3</math> som en kvot mellan två heltal. Talet <math>\sqrt{2}/3</math> är alltså ett irrationellt tal.
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<math>\sqrt{2}</math> is not a rational number, i.e. it cannot be written as a ratio of two integers, and neither
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is it possible to write
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<math>\sqrt{2}/3</math> as a ratio of two integers. The number
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<math>\sqrt{2}/3</math> is thus irrational.
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Current revision

\displaystyle \sqrt{2} is not a rational number, i.e. it cannot be written as a ratio of two integers, and neither is it possible to write \displaystyle \sqrt{2}/3 as a ratio of two integers. The number \displaystyle \sqrt{2}/3 is thus irrational.


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