असमानता \(-2\le \frac{x+5}{3}<4\) का संख्या रेखा पर सही interval कौन-सा है?
Which is the correct interval on the number line for \(-2\le \frac{x+5}{3}<4\)?
Explanation opens after your attempt
Correct Answer
A. ([-11,7))
Concept
Multiplying all parts by (3) gives \(-6\le x+5<12\), so \(-11\le x<7\). In exams, apply the same operation to every part of a compound inequality.
Why this answer is correct
The correct answer is A. ([-11,7)). Multiplying all parts by (3) gives \(-6\le x+5<12\), so \(-11\le x<7\). In exams, apply the same operation to every part of a compound inequality.
Exam Tip
सभी भागों को (3) से गुणा करने पर \(-6\le x+5<12\), इसलिए \(-11\le x<7\)। परीक्षा में compound inequality में हर भाग पर समान operation करें।
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