keymidubon88 keymidubon88

21-08-2017
Mathematics

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Which number produces an irrational number when added to 0.4?

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21-08-2017

0.4 is rational.
Any irrational added to a rational is irrational.
Therefore we only need to add ANY irrational to 0.4 to produce an irrational number.
Examples of irrational numbers are: pi, e, sqrt(2), sin(pi/3), tan30 degrees, etc.

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