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Which interval satisfies both (3x+4<19) and (2x-1\ge -9) together?कौन-सा interval (3x+4<19) और (2x-1\ge -9) दोनों को साथ संतुष्ट करता है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ([-4,5))([-4,5))
The first condition gives (x<5), and the second gives (x\ge-4), so the common solution is ([-4,5)). In exams, and means the common shaded part.पहली शर्त (x<5) देती है और दूसरी (x\ge-4), इसलिए साझा हल ([-4,5)) है। परीक्षा में "और" का अर्थ common shaded part होता है।
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