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प्रश्न
If |x − 1| ≤ 2, then –1 ______ x ______ 3
उत्तर
If |x − 1| ≤ 2, then –1 ≤ x ≤ 3.
Explanation:
|x − 1| ≤ 2 ⇒ –2 ≤ x – 1 ≤ 2 ⇒ –1 ≤ x ≤ 3.
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