Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$a ^ { 2 } \leq a \leq \sqrt { a } \leq \frac { 1 } { a } \leq \frac { 1 } { a }$$

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