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If (x\in\mathbb{R}) and (2\leq \frac{x+1}{3}<5), which interval is for (x)?यदि (x\in\mathbb{R}) और (2\leq \frac{x+1}{3}<5) है तो (x) का अंतराल कौन सा है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ([5,14))([5,14))
Multiplying by (3) gives (6\leq x+1<15), hence (5\leq x<14). Removing a positive denominator does not change the signs.(3) से गुणा करने पर (6\leq x+1<15) और (5\leq x<14) मिलता है। धनात्मक हर हटाने पर चिन्ह नहीं बदलते।
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