Which closed interval is formed on the number line for (5\le 2x-1\le 13)?असमानता (5\le 2x-1\le 13) के लिए संख्या रेखा पर कौन-सा बंद interval बनेगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ([3,7])([3,7])
(6\le 2x\le 14) gives (3\le x\le 7). In exams, if both signs are inclusive, the final interval stays closed.(6\le 2x\le 14) से (3\le x\le 7) मिलता है। परीक्षा में दोनों sides closed हों तो final interval भी closed रहता है।
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