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Which interval correctly shows (x<0) or (2\le x<5) on the number line?कौन-सा interval (x<0) या (2\le x<5) को संख्या रेखा पर सही दिखाता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((-\infty,0)\cup[2,5))((-\infty,0)\cup[2,5))
In (x<0), (0) is open; in (2\le x<5), (2) is closed and (5) is open. In exams, convert or into union.(x<0) में (0) खुला है और (2\le x<5) में (2) बंद तथा (5) खुला है। परीक्षा में or को union में बदलें।
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