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Which is the number line solution of (1\le \frac{x}{2}<4)?असमानता (1\le \frac{x}{2}<4) का संख्या रेखा पर हल कौन-सा है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (2\le x<8)(2\le x<8)
Multiplying the whole inequality by (2) gives (2\le x<8). In exams the sign does not change when multiplying by a positive number.पूरी असमानता को (2) से गुणा करने पर (2\le x<8) मिलता है। परीक्षा में धनात्मक से गुणा करने पर चिन्ह नहीं बदलता।
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