Aptitude Topics
Surds Basics
A surd is an irrational root of a number, such as $\sqrt{2}$ or $\sqrt[3]{5}$. They cannot be simplified into a terminating or repeating decimal.
Example Breakdown:
Problem QueryIs $\sqrt{9}$ a surd?
Step-By-Step Solution Path
No, because $\sqrt{9} = 3$, which is a rational number.
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