Question From - NCERT Maths Class 9 Chapter 1 EXERCISE 1.5 Question – 4 NUMBER SYSTEMS CBSE, RBSE, UP, MP, BIHAR BOARD
QUESTION TEXT:-
Represent `sqrt(7)` on the number line.
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Related Questions & Solutions:
1. Classify the following numbers as rational or irrational: (i) `2-sqrt(5)` (ii) `(3+sqrt(23))-sqrt(23)` (iii) `(2sqrt(7))/(7sqrt(7))` (iv) `1/(sqrt(2))` (v) `2pi`...
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2. Simplify each of the following expressions: (i) `(3+sqrt(3))(2+sqrt(2))` (ii) `(3+sqrt(3))(3-sqrt(3))` (iii) `(sqrt(5)+sqrt(2))^2` (iv) `(sqrt(5)-sqrt(2))(sqrt(5)+sqrt(2))`...
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3. Recall, is defined as the ratio of the circumference (say c) of a circle to its diameter (say d). That is, `pi=c/d` . This seems to contradict the fact the `pi` is irrational How will you resolve this...
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4. Rationalise the denominators of the following: (i) `1/(sqrt(7))` (ii) `1/(sqrt(7)-sqrt(6))` (iii) `1/(sqrt(5)+sqrt(2))` (iv) `1/(sqrt(7)-2)`...
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Get Classwise & Chapterwise Definitions & Solutions from NCERT Book:
• NCERT Solutions for class 6th to class 12th Maths - [ Ссылка ]
• NCERT Solutions for Class 9 - [ Ссылка ]
• NCERT Solutions for Class 9, Chapter 1 - [ Ссылка ]
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