Question

what is a surd can you define and surd is irrational or rational ​

Answer 1

Answer:

For example, each of the numbers √7, ∛3, 5√13 etc. is an irrational number. Definitions of surd: A root of a positive real quantity is called a surd if its value cannot be exactly determined. Surds are the irrational numbers which are roots of positive integers and the value of roots can't be determined.

Step-by-step explanation:

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Answer 2

Answer:

Surds are numbers left in 'square root form' (or 'cube root form' etc). They are therefore irrational numbers. The reason we leave them as surds is because in decimal form they would go on forever and so this is a very clumsy way of writing them.