Q1.1. Let us discuss some examples about number system:
i) 0 is positive integer: Yes/No
ii) Can negative numbers be prime? Yes/No
iii) Are all natural numbers are whole numbers? Yes/No
Q 1.2
i. Fill in the blank with >, < or = signs :
a) 4/5 ____ 9/5
b) 7/2 ____ 21/6
c) 3/4 ____ 5/6
ii. Arrange below mentioned numbers in ascending order:
6/7, 5/6, 1/5, 7/6, 8/9
iii. Find 4 rational numbers with 4 and 5.
iv. Find 5 rational numbers between 2/5 and 6/7.
Questions:
Simplify the following expressions:
(i) (√3 + √7)(√3 + √6)
(ii) (√3 + √5)(√3 - √5)
Rationalize the denominator of 1/ √7, 1/(√3+ √2)
Classify the following numbers as rational or irrational
(i) (2+ √3) - √3
(ii) (2 √3)
(iv) 5 √4