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If the number line has closed circles at (-7) and (3) with outward shading, which representation is correct?यदि संख्या रेखा पर (-7) और (3) पर भरे वृत्त हैं तथा बाहर की ओर छायांकन है, तो निरूपण कौन सा है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (x\le -7) or (x\ge 3)(x\le -7) या (x\ge 3)
Closed circles include both endpoints and outward shading shows two outside regions. So inclusive inequalities with or are used.भरे वृत्त दोनों सीमाओं को शामिल करते हैं और बाहर की छायांकन दो बाहरी क्षेत्रों को दिखाती है। इसलिए बराबरी सहित या का प्रयोग होगा।
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