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Systems Of Linear Equations Gaussian Elimination Studypug  Ex 121, 7 Simplify (ii) (3^(−5 ) × 〖10〗^(−5 ) × 125)/(5^(−7 ) × 6^(−5) ) (3^(−5 )× 〖10〗^(−5 ) × 125)/(5^(−7 ) × 6^(−5) )= 3^(−5)×Example 5 > 3, x ≤ 4, x y ≥ 9 (i) Inequalities which do not involve variables are called numerical inequalities For example 3 < 8, 5 ≥ 2 (ii) Inequalities which involve variables are called literal inequalities For example, x > 3, y ≤ 5, x – y ≥ 0 (iii) An inequality may contain more than one variable and it can be linear , quadratic or cubic etc For eaxmple , 3x – 2 < 0 ３−５