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27-10-2018
Mathematics

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Show that the sum of two irrational numbers can be rational or irrational. Provide two examples of each.

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feynman135 feynman135

27-10-2018

Pi is irrational, but 2-Pi is also irratonal. Let a = Pi and b=2-Pi. In this example a+b=2 which is rational.
Other example is a=3.2437629... ad Infinitum and b=6.756230... where the digits all sum to 9 therefore make a+b=10

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