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Which inequality will have a closed dot at ( -2 ), an open dot at ( 5 ), and shading between them on the number line?किस असमानता की संख्या रेखा पर ( -2 ) पर बंद बिंदु और ( 5 ) पर खुला बिंदु होगा तथा बीच में छाया होगी?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ( -2\le x<5 )( -2\le x<5 )
( -2 ) is closed, so use ( \le ), and ( 5 ) is open, so use ( < ). Decide the left and right endpoint signs separately.( -2 ) बंद है इसलिए ( \le ), और ( 5 ) खुला है इसलिए ( < )। बाईं सीमा और दाईं सीमा के चिन्ह अलग तय करें।
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