# Real Numbers

#### Question 3:

Prove that the following are irrationals:

#### Answer:

Let is rational.

Therefore, we can find two integers *a*, *b* (*b* ≠
0) such that

is rational as *a* and *b* are integers.

Therefore, is rational which contradicts to the fact that is irrational.

Hence, our assumption is false and is irration...

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