# Surds and Indices Tricks

Surds and Indices is one of the easiest and important chapters. Most of the candidates think that Surds and Indices is tough and hence do not prepare for it. But, this chapter is very easy if you know all the Formulas and Surds and Indices Tricks. Check this page carefully for ट्रिक्स and Formulas for Surds and Indices which will be very helpful in your preparation. सिर्फ 5- ट्रिक्स में Surds and Indices के कठिन प्रश्नों को हल करना सीखे |

What are Surds?

Let ‘a’ be rational number and ‘n’ be a positive integer Then, ‘a’ is called a surd of order ‘n’.

What are Indices?

Let ‘a’ be rational number and ‘n’ be a positive integer Then, ‘a’ is said to have an index ‘n’.

Surds and Indices Formulas

Laws of Surds Laws of Indices recruitmentresult.com

## Surds and Indices Tricks

 Trick 1 Or In such questions, break the x into m (m + 1) form then answer would be (m + 1). Solution:

The factor of 20 with difference one are 4 and 5

Here, 5 is the larger factor  Solution: Trick 2 Or In such questions, factorize the x into m (m + 1) form then ‘m’ would be the answer. Solution:

The factor of 6 with difference one are 2 and 3

Here, 2 is the smaller factor  Solution: Check Here – How to Prepare Maths for Competitive Exams

 Trick 3  Solution:  Solution: Trick 4 [Where n is number of times x repeated] Solution:

Here, n = 4  Solution:

Here, n = 5 Also Check – Maths Formulas

 Trick 5

Rationalization on surds

In this process, we convert the denominator of the surds into a rational number. For this we have to multiply both numerator and denominator of the surds with another surd and obtain rational number by applying formula (a + b) x (a – b) = (- )

Example: Find the value of Solution: Example: Find the value of Solution: 