Solution 1.1:4c
From Förberedande kurs i matematik 1
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- | <math>\sqrt{2}</math> | + | <math>\sqrt{2}</math> is not a rational number, i.e. it cannot be written as a ratio of two integers, and neither |
+ | is it possible to write | ||
+ | <math>\sqrt{2}/3</math> as a ratio of two integers. The number | ||
+ | <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.