BSEB Class 9 Maths Chapter 1 Number Systems Ex 1.5 Textbook Solutions PDF: Download Bihar Board STD 9th Maths Chapter 1 Number Systems Ex 1.5 Book Answers ~ HSSlive: Plus One & Plus Two Notes & Solutions for Kerala State Board

BSEB Class 9 Maths Chapter 1 Number Systems Ex 1.5 Textbook Solutions PDF: Download Bihar Board STD 9th Maths Chapter 1 Number Systems Ex 1.5 Book Answers

BSEB Class 9th Maths Chapter 1 Number Systems Ex 1.5 Textbooks Solutions and answers for students are now available in pdf format. Bihar Board Class 9th Maths Chapter 1 Number Systems Ex 1.5 Book answers and solutions are one of the most important study materials for any student. The Bihar Board Class 9th Maths Chapter 1 Number Systems Ex 1.5 books are published by the Bihar Board Publishers. These Bihar Board Class 9th Maths Chapter 1 Number Systems Ex 1.5 textbooks are prepared by a group of expert faculty members. Students can download these BSEB STD 9th Maths Chapter 1 Number Systems Ex 1.5 book solutions pdf online from this page.

Bihar Board Class 9th Maths Chapter 1 Number Systems Ex 1.5 Textbooks Solutions PDF

Bihar Board STD 9th Maths Chapter 1 Number Systems Ex 1.5 Books Solutions with Answers are prepared and published by the Bihar Board Publishers. It is an autonomous organization to advise and assist qualitative improvements in school education. If you are in search of BSEB Class 9th Maths Chapter 1 Number Systems Ex 1.5 Books Answers Solutions, then you are in the right place. Here is a complete hub of Bihar Board Class 9th Maths Chapter 1 Number Systems Ex 1.5 solutions that are available here for free PDF downloads to help students for their adequate preparation. You can find all the subjects of Bihar Board STD 9th Maths Chapter 1 Number Systems Ex 1.5 Textbooks. These Bihar Board Class 9th Maths Chapter 1 Number Systems Ex 1.5 Textbooks Solutions English PDF will be helpful for effective education, and a maximum number of questions in exams are chosen from Bihar Board.

Bihar Board Class 9th Maths Chapter 1 Number Systems Ex 1.5 Books Solutions

Board	BSEB
Materials	Textbook Solutions/Guide
Format	DOC/PDF
Class	9th
Subject	Maths Chapter 1 Number Systems Ex 1.5
Chapters	All
Provider	Hsslive

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BSEB Class 9th Maths Chapter 1 Number Systems Ex 1.5 Textbooks Solutions with Answer PDF Download

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BSEB Bihar Board Class 9th Maths Solutions Chapter 1 Number Systems Ex 1.5

Question 1.
Classify the following numbers as rational or irrational :
(i) 2 – 5‾√
(ii) (3 + 23‾‾‾√) – 23‾‾‾√
(iii) 27√77√
(iv) 12√
(v) 2π
Solution:
(i) 2 – 5‾√ is an irrational number being a difference between a rational and an irrational.
(ii) (3 + 23‾‾‾√) – 23‾‾‾√ = 3 + 23‾‾‾√ – 23‾‾‾√ = 3, which is a rational number.
(iii) 27√77√ = 27, which is a rational number.
(iv) 12√ is irrational being the quotient of a rational and an irrational.
(v) 2π is irrational being the product of rational and irrational.

Question 2.
Simplify each of the following expressions :
(i) (3 + 3‾√)(2 +2‾√)
(ii) (3 + 3‾√(3 – 3‾√)
(iii) (5‾√ + 2‾√)²
(iv) (5‾√ – 2‾√)(5‾√ + 2‾√)
Solution:

Question 3.
Recall, it is defined as the ratio of the circumference (say c) of a circle to its diameter (say d). That is π = 𝑐𝑑. This seems to contradict the fact that n is a irrational. How will you resolve this contradiction?
Solution:
There is no contradiction as either c or d irrational and hence π is an irrational number.

Question 4.
Represent 9.3‾‾‾√ on the number line.
Solution:
Mark the distance 9.3 units from a fixed point A on a given line to obtain a point B such that AB = 9.3 units. From B, mark a distance of 1 unit and mark the new point as C. Find the mid-point of AC and mark that point as O. Draw a semi-circle with centre O and radius OC. Draw a line perpendicular to AC passing through B and intersecting the semi circle at D.

Then BD = 9.3‾‾‾√ . To represent 9.3‾‾‾√ On the number line. Let us treat the line BC as the number line, with B as zero, C as 1, and so on. Draw an arc with centre B and radius BD, which intersects the number line in E. Then, E represent 9.3‾‾‾√.

Question 5.
Rationalise the denominators of the following :
(i) 17√
(ii) 17√−6√
(iii) 15√+2√
(iv) 17√−2
Solution:

BSEB Textbook Solutions PDF for Class 9th

Bihar Board Class 9th Maths Chapter 1 Number Systems Ex 1.5 Textbooks for Exam Preparations

Bihar Board Class 9th Maths Chapter 1 Number Systems Ex 1.5 Textbook Solutions can be of great help in your Bihar Board Class 9th Maths Chapter 1 Number Systems Ex 1.5 exam preparation. The BSEB STD 9th Maths Chapter 1 Number Systems Ex 1.5 Textbooks study material, used with the English medium textbooks, can help you complete the entire Class 9th Maths Chapter 1 Number Systems Ex 1.5 Books State Board syllabus with maximum efficiency.

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Tuesday, June 28, 2022