असमानता \(2\le \frac{x+3}{5}<3\) का संख्या रेखा पर हल कौन-सा है?
Which is the number line solution of \(2\le \frac{x+3}{5}<3\)?
Explanation opens after your attempt
A. \(7\le x<12\)
Concept
Multiplying by (5) and subtracting (3) gives \(7\le x<12\). In exams positive multiplication does not reverse the inequality sign.
Why this answer is correct
The correct answer is A. \(7\le x<12\). Multiplying by (5) and subtracting (3) gives \(7\le x<12\). In exams positive multiplication does not reverse the inequality sign.
Exam Tip
(5) से गुणा करके और (3) घटाकर \(7\le x<12\) मिलता है। परीक्षा में positive multiplication से inequality sign नहीं बदलता।
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