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If (A=(-2,4]) and (B=[1,9)), what is (A\cup B) on the number line?यदि (A=(-2,4]) और (B=[1,9)), तो संख्या रेखा पर (A\cup B) क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((-2,9))((-2,9))
The two intervals overlap and cover from (-2) to (9) without a gap. In exams, take the entire covered region for a union.दोनों intervals overlap करते हैं और (-2) से (9) तक बिना gap के जाते हैं। परीक्षा में union में पूरा covered भाग लें।
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