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Surds And Indices Tricks | सिर्फ 5- ट्रिक्स में Complete, PDF and Formulas

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

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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:

Download PDFSurds and Indices ट्रिक्स

प्रतियोगी परीक्षाओं में Surds and Indices एक और बहुत महत्वपूर्ण विषय है। अधिकांश प्रतियोगी परीक्षाओं जैसे, बैंक, रेल और अन्य सरकारी परीक्षाओं में surds और indices से सम्बंधित प्रश्न पूछे जाते है । इस विषय के प्रश्नों को हल करना उतना कठिन नहीं है। आपको बस Surds और Indices के मूल विचार और सूत्र सीखने की जरूरत है। बस इसे ध्यान से सीखें और अधिक से अधिक अभ्यास करें।

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