## 1. Signs of inequalities :

2. Some Useful Results for Linear Inequalities :

3. Inequalities (Inequations) :

4. Linear Inequations in one variable :

5. Linear Inequations in two variable :

6. Quadratic Inequations :

7. Interval : Let a b ∈ R and a < b then –

(i). Open Interval :

(ii). Closed Interval :

(iii). Open Closed Interval :

(iv). Closed Open Interval :

8. Interval on Number line :

9. Working rule for solving linear inequations :

Problems based on solving Inequations.

12. Solution of system of linear inequations in one variable :

working Rule :

16. Applications of linear Inequation in one variable

Working Rule :

17. Graphical solution of linear inequations in two variables :

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