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Which is the simplified interval for ([-4,2]\cup(2,5]) on the number line?संख्या रेखा पर ([-4,2]\cup(2,5]) का सरल interval कौन-सा है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ([-4,5])([-4,5])
The first interval includes (2), and the second starts after (2), so there is no gap. In exams, merge connected intervals into one.पहला अंतराल (2) को शामिल करता है और दूसरा (2) के बाद शुरू होता है, इसलिए कोई gap नहीं है। परीक्षा में connected intervals को एक में मिलाएँ।
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