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No.

The cube root of 3, for example is irrational.

But the square of cubert(3) is 3 to the power 2/3, which is irrational.

Another example, pi2 is irrational (in fact so is pi to any non-zero power).

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Q: Are squares of irrational numbers always rational?
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Are whole numbers rational or irrational?

Whole numbers are always rational


What is an irrational plus two rational numbers?

Since the sum of two rational numbers is rational, the answer will be the same as for the sum of an irrational and a single rational number. It is always irrational.


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It is always an irrational number.


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