Target Exam

CUET

Subject

-- Applied Mathematics - Section B2

Chapter

Numbers, Quantification and Numerical Applications

Question:

If $\frac{2x+4}{x-1}≥5, $ then :

Options:

$x\in [1, 3]$

$x\in (1, 3)$

$x\in (1, 3]$

$x\in [1, 3)$

Correct Answer:

$x\in (1, 3]$

Explanation:

The correct answer is Option (3) → $x\in (1, 3]$

$\frac{2x+4}{x-1}≥5$

$⇒2x+4≥5x-5$

$⇒a≥3x$

$⇒x≤3,x≠1$

$⇒x\in (1, 3]$