Example 1 - Chapter 5 Class 11 Linear Inequalities

Last updated at April 8, 2024 by Teachoo

Transcript

Example 1
Solve 30 x < 200 when
(i) x is a natural number
30 x < 200
𝑥 < 200/30
𝑥 < 20/3
𝒙 < 6.66
Since x is a natural number i.e. 1, 2, 3, 4, 5, 6, 7,….
We need to find values of x which is less than or equal to 6
i.e. x can be {1, 2, 3, 4, 5, 6}
Example 1
Solve 30 x < 200 when
(ii) x is an integer
Now,
𝒙 < 6.66
Since x is an integer i.e. ……,−3, −2, −1, 0, 1, 2, 3….
We need to find values of x which is less than or equal 6
i.e. x can be ……, −3, −2, −1, 0, 1, 2, 3, 4, 5, 6
= {……,−3, −2, −1, 0, 1, 2, 3, 4, 5, 6}

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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