किस विकल्प में (2<3x+5<17) का हल सही है?
Which option gives the correct solution of (2<3x+5<17)?
Explanation opens after your attempt
A. (-1<x<4)
Concept
Subtracting (5) gives (-3<3x<12), so (-1<x<4). In exams strict signs remain strict.
Why this answer is correct
The correct answer is A. (-1<x<4). Subtracting (5) gives (-3<3x<12), so (-1<x<4). In exams strict signs remain strict.
Exam Tip
(5) घटाने पर (-3<3x<12), इसलिए (-1<x<4)। परीक्षा में खुले चिह्न खुले ही रहते हैं।
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