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A surd is a number expressed as a square root (or some other root). Such roots are usually irrational; but Irrational Numbers also include other numbers, which CAN'T be expressed as the root of a rational number. For example, pi and e.
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Earn +20 ptsQ: What is the difference between surds and irrational numbers?
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Continue Learning about Math & Arithmetic
What is surds in algebra?
Irrational numbers
Why are surds useful in math?
They define irrational numbers
Are surd's rational?
No because surds are irrational numbers
Are all irrational numbers are surds?
Yes. The definition of a surd is "an irrational number"
How do you work out surds?
Surds are normally irrational numbers but they can be simplified for instance the square root of 12 can be expressed as 2 times the square root of 3
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