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Solve the compound inequality (-4<\frac{x+2}{2}\le 1).द्वि-असमीका (-4<\frac{x+2}{2}\le 1) को हल कीजिए।
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (-10<x\le 0)(-10<x\le 0)
Multiplying first by (2) gives (-8<x+2\le 2), so (-10<x\le 0). A positive multiplier does not change the inequality sign.पहले (2) से गुणा करने पर (-8<x+2\le 2), इसलिए (-10<x\le 0)। परीक्षा में धनात्मक गुणा से असमीका का चिन्ह नहीं बदलता।
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