Question

What are surds? how many types of surds are there?​

Answer 1

• When we can't simplify a root under variable further or we can't remove the root sign that is called surd.It may be a square root or cube root or n th root .They are especially called irrational numbers.

Ex:-

`\\ \rm\longmapsto √(9)=3`Hence its not a surd.

but

.

`\\ \rm\longmapsto √(3),√(7)`Are surds.

There are six types of surds such as :

1. Simple surds
2. Pure Surds
3. Similar Surds
4. Mixed Surds
5. Compound Surds
6. Binomial Surds.