असमानता \(4x-9\le 2x+3<5x+12\) से संख्या रेखा पर कौन-सा अंतराल मिलेगा?

Which interval is obtained on the number line from \(4x-9\le 2x+3<5x+12\)?

Explanation opens after your attempt
Correct Answer

A. \([-6,\infty\))

Step 1

Concept

The first part gives \(x\le6\) and the second gives (x>-3), so the correct common solution is ((-3,6]). In exams, split a compound inequality into two conditions and check carefully.

Step 2

Why this answer is correct

The correct answer is A. \([-6,\infty\)). The first part gives \(x\le6\) and the second gives (x>-3), so the correct common solution is ((-3,6]). In exams, split a compound inequality into two conditions and check carefully.

Step 3

Exam Tip

पहले भाग से \(x\le6\) नहीं बल्कि \(x\le6\) और दूसरे से (x>-3) मिलता है, इसलिए सही साझा हल ((-3,6]) नहीं है। परीक्षा में संयुक्त असमानता को दो अलग शर्तों में बाँटकर जाँचें।

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Mathematics Answer, Explanation and Revision Hints

असमानता \(4x-9\le 2x+3<5x+12\) से संख्या रेखा पर कौन-सा अंतराल मिलेगा? / Which interval is obtained on the number line from \(4x-9\le 2x+3<5x+12\)?

Correct Answer: A. \([-6,\infty\)). Explanation: पहले भाग से \(x\le6\) नहीं बल्कि \(x\le6\) और दूसरे से (x>-3) मिलता है, इसलिए सही साझा हल ((-3,6]) नहीं है। परीक्षा में संयुक्त असमानता को दो अलग शर्तों में बाँटकर जाँचें। / The first part gives \(x\le6\) and the second gives (x>-3), so the correct common solution is ((-3,6]). In exams, split a compound inequality into two conditions and check carefully.

Which concept should I revise for this Mathematics MCQ?

The first part gives \(x\le6\) and the second gives (x>-3), so the correct common solution is ((-3,6]). In exams, split a compound inequality into two conditions and check carefully.

What exam hint can help solve this Mathematics question?

पहले भाग से \(x\le6\) नहीं बल्कि \(x\le6\) और दूसरे से (x>-3) मिलता है, इसलिए सही साझा हल ((-3,6]) नहीं है। परीक्षा में संयुक्त असमानता को दो अलग शर्तों में बाँटकर जाँचें।