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Linear Inequalities — MATHS STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceMATHSLinear Inequalities1 Mark
MCQ
Solve: $|\text{x}-1|\leq 5, |\text{x}|\geq2$
  • A
    $[2, 6]$
  • B
    $[-4, -2]$
  • C
    $[-4, -2]\cup[2, 6]$
  • D
    $\text{None of these}$
✓

Answer

  1. $[-4, -2]\cup[2, 6]$

Solution:

Given, $|\text{x}-1|\leq 5, |\text{x}|\geq2$

$\Rightarrow-(5\leq(\text{x} – 1)\leq5), (\text{x}\leq -2 \text{or} \text{x} \geq 2)$

$\Rightarrow-(4\leq\text{x}\leq6), (\text{x}\leq-2 \text{or}\text{x}\geq 2)$

Now, required solution is.

$\text{x}\in[-4, -2]\cup[2, 6]$

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