Chapter 1 Class 9 Number Systems
Ex 1.1, 4 (i) Important
Ex 1.2, 1 (i)
Ex 1.2, 3 Important
Example 7 Important
Example 9 Important
Example 10 Important
Ex 1.3, 3 (i)
Ex 1.3, 8 Important
Ex 1.3, 9 (i)
Example 16 (i) Important
Example 19
Ex 1.5, 1 (i) You are here
Ex 1.5, 2 (i) Important
Ex 1.5, 4
Ex 1.5, 5 (i)
Example 21 (i)
Ex 1.6, 1 (i)
Ex 1.6, 2 (i) Important
Ex 1.6, 3 (i) Important
Chapter 1 Class 9 Number Systems
Last updated at Aug. 25, 2021 by Teachoo
Ex1.5, 1 Classify the following numbers as rational or irrational: (i) 2 - 5 2 is rational 5 = 2.236 . which is non- terminating non-repeating is an irrational number We know that Rational Irrational = Irrational 2 - 5 is an irrational number