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Question

The sum of two irrational number is an irrational number (True/False).

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Solution

The sum of two irrational numbers is an irrational number (True/False)

False

Reason:
However,
is not rational because there is no fraction, no ratio of integers that will equal
. It calculates to be a decimal that never repeats and never ends. The same can be said for . Also, there is no way to write as a fraction. In fact, the representation is already in its simplest form.

To get two irrational numbers to add up to a rational number, you need to add irrational numbers such as and . In this case, the irrational portions just happen to cancel out leaving: which is a rational number (i.e. 2/1).


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