AP Board Class 9 Maths Chapter 1 Real Numbers Ex 1.2 Textbook Solutions PDF: Download Andhra Pradesh Board STD 9th Maths Chapter 1 Real Numbers Ex 1.2 Book Answers ~ HSSlive: Plus One & Plus Two Notes & Solutions for Kerala State Board

AP Board Class 9 Maths Chapter 1 Real Numbers Ex 1.2 Textbook Solutions PDF: Download Andhra Pradesh Board STD 9th Maths Chapter 1 Real Numbers Ex 1.2 Book Answers

AP Board Class 9th Maths Chapter 1 Real Numbers Ex 1.2 Textbooks Solutions and answers for students are now available in pdf format. Andhra Pradesh Board Class 9th Maths Chapter 1 Real Numbers Ex 1.2 Book answers and solutions are one of the most important study materials for any student. The Andhra Pradesh State Board Class 9th Maths Chapter 1 Real Numbers Ex 1.2 books are published by the Andhra Pradesh Board Publishers. These Andhra Pradesh Board Class 9th Maths Chapter 1 Real Numbers Ex 1.2 textbooks are prepared by a group of expert faculty members. Students can download these AP Board STD 9th Maths Chapter 1 Real Numbers Ex 1.2 book solutions pdf online from this page.

Andhra Pradesh Board Class 9th Maths Chapter 1 Real Numbers Ex 1.2 Textbooks Solutions PDF

Andhra Pradesh State Board STD 9th Maths Chapter 1 Real Numbers Ex 1.2 Books Solutions with Answers are prepared and published by the Andhra Pradesh Board Publishers. It is an autonomous organization to advise and assist qualitative improvements in school education. If you are in search of AP Board Class 9th Maths Chapter 1 Real Numbers Ex 1.2 Books Answers Solutions, then you are in the right place. Here is a complete hub of Andhra Pradesh State Board Class 9th Maths Chapter 1 Real Numbers Ex 1.2 solutions that are available here for free PDF downloads to help students for their adequate preparation. You can find all the subjects of Andhra Pradesh Board STD 9th Maths Chapter 1 Real Numbers Ex 1.2 Textbooks. These Andhra Pradesh State Board Class 9th Maths Chapter 1 Real Numbers Ex 1.2 Textbooks Solutions English PDF will be helpful for effective education, and a maximum number of questions in exams are chosen from Andhra Pradesh Board.

Andhra Pradesh State Board Class 9th Maths Chapter 1 Real Numbers Ex 1.2 Books Solutions

Board	AP Board
Materials	Textbook Solutions/Guide
Format	DOC/PDF
Class	9th
Subject	Maths
Chapters	Maths Chapter 1 Real Numbers Ex 1.2
Provider	Hsslive

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AP Board Class 9th Maths Chapter 1 Real Numbers Ex 1.2 Textbooks Solutions with Answer PDF Download

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AP State Syllabus 9th Class Maths Solutions 1st Lesson Real Numbers Exercise 1.2

Question 1.
Classify the following numbers as rational or irrational.
i) 27‾‾‾√
ii) 441‾‾‾‾√
iii) 30.232342345
iv) 7.484848
v) 11.2132435465
vi) 0.3030030003
Solution:
i) 27‾‾‾√ – irrational number
ii) 441‾‾‾‾√ = 21 – rational
iii) 30.232342345 – irrational number
iv) 7.484848 – rational number
v) 11.2132435465 – irrational number
vi) 0.3030030003 – irrational number

Question 2.
Explain with an example how irrational numbers differ from rational numbers ?
Solution:
Irrational numbers can’t be expressed in 𝑝𝑞 form where p and q are integers and q ≠ 0.
E.g.2‾√,3‾√;5‾√,7‾√ etc.
Where as a rational can be expressed in 𝑝𝑞 form
E.g. :- -3 = −31 and 54 etc.

Question 3.
Find an irrational number between 57 and 79. How many more there may be ?
Solution :
The decimal forms of 57 and 79 are
57=0.714285⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯….,79=0.7777……=0.7⎯⎯⎯
∴ An irrational between 57 and 79 is 0.727543…………
There are infinitely many irrational numbers between 57 and 79.

Question 4.
Find two irrational numbers between 0.7 and 0.77.
Solution:
Two irrational numbers between 0.7 and 0.77 can take the form
0.70101100111000111…………. and 0.70200200022……………

Question 5.
Find the value of √5 uPto 3 decimal places.
Solution:

[√5 is not exactly equal to 2.2350679………….. as shown ¡n calculators]

Question 6.
Find the value of √7 upto six decimal places by long division method.
Solution:

Question 7.
Locate 10‾‾‾√ on number line.

Step – 1 : Draw a number line.
Step – 2 : Draw a rectangle OABC at zero with measures 3 x 1. i.e., length 3 units and breadth 1 unit.
Step – 3 : Draw the diagonal OB.
Step – 4 : Draw an arc with centre ‘O’ and radius OB which cuts the number line at D.
Step – 5 : ‘D’ represents \(\sqrt{\mathrm{10}}[latex] on the number line.

Question 8.
Find atleast two irrational numbers between 2 and 3.
Solution:
An irrational number between a and b is Tab [latex]\sqrt{\mathrm{ab}}\) unless ab is a perfect square.
∴ Irrational number between 2 and 3 is √6

∴ Required irrational numbers are 6^1/2, 24^1/4

Method – II:
Irrational numbers between 2 and 3 are of the form 2.12111231234………….. and 3.13113111311113…….

Question 9.
State whether the following statements are true or false. Justify your answers.
Solution:

Every irrational number is a real number – True (since real numbers consist of rational numbers and irrational numbers)
Every rational number is a real number – True (same as above)
Every rational number need not be a rational number – False (since all rational numbers are real numbers).
𝑛√ is not irrational if n is a perfect square – True. (since by definition of an irrational number).
𝑛√ is irrational if n is not a perfect square – True. (same as above)
All real numbers are irrational – False (since real numbers consist of rational

AP Board Textbook Solutions PDF for Class 9th Maths

Andhra Pradesh Board Class 9th Maths Chapter 1 Real Numbers Ex 1.2 Textbooks for Exam Preparations

Andhra Pradesh Board Class 9th Maths Chapter 1 Real Numbers Ex 1.2 Textbook Solutions can be of great help in your Andhra Pradesh Board Class 9th Maths Chapter 1 Real Numbers Ex 1.2 exam preparation. The AP Board STD 9th Maths Chapter 1 Real Numbers Ex 1.2 Textbooks study material, used with the English medium textbooks, can help you complete the entire Class 9th Maths Chapter 1 Real Numbers Ex 1.2 Books State Board syllabus with maximum efficiency.

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