किस विकल्प में \(-1\le \frac{x}{2}<4\) का हल सही है?
Which option gives the correct solution of \(-1\le \frac{x}{2}<4\)?
Explanation opens after your attempt
Correct Answer
A. \(-2\le x<8\)
Concept
Multiplying all parts by positive (2) gives \(-2\le x<8\). In exams positive multiplication does not change signs.
Why this answer is correct
The correct answer is A. \(-2\le x<8\). Multiplying all parts by positive (2) gives \(-2\le x<8\). In exams positive multiplication does not change signs.
Exam Tip
सभी भागों को धनात्मक (2) से गुणा करने पर \(-2\le x<8\)। परीक्षा में धनात्मक गुणा से चिह्न नहीं बदलते।
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