Question
Download Solution PDFযদি |x| < 5 হয়, তাহলে x-এর জন্য নিম্নলিখিতগুলির মধ্যে কোনটি সত্য?
This question was previously asked in
OSSTET 2018 (Science PCM) Official Paper (Held on 5 Oct 2018)
Answer (Detailed Solution Below)
Option 3 : −5 < x < 5
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OSSTET TGT Arts Full Test 1
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Detailed Solution
Download Solution PDFঅনুসৃত ধারণা:
|x| = \(\begin{cases} x,& for ~x ≥0 \\ -x,& for ~x<0\end{cases}\)
গণনা:
এখন,
x ≥ 0-এর জন্য, x < 5
x< 0-এর জন্য, -x < 5 ⇒ x > -5
⇒ -5 < x < 5 হল সত্য শর্ত
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