Question

solve the following system of inequalities x by 2x + 1 greater than and equal to 1 by 4​

Answer 1

Answer:

$\frac{x}{2x + 1} \geqslant \frac{1}{4} \\ 4x \geqslant 2x + 1 \\ 2x \geqslant 1 \\ x \geqslant \frac{1}{2}$

so , x belongs to [1/2, +infinity) ans..

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