What is a surd?
What is a surd?
A surd is an irrational root left in exact form, such as 2\sqrt{2}2 or 5\sqrt{5}5. A square root like 36\sqrt{36}36 is not a surd because it simplifies exactly to 666.
What is a surd?
What is a surd?
A surd is an irrational root left in exact form, such as 2\sqrt{2}2 or 5\sqrt{5}5. A square root like 36\sqrt{36}36 is not a surd because it simplifies exactly to 666.