\( -5<\frac{x-2}{4}\le 0 \) का संख्या रेखा पर सही अंतराल कौन सा है?
What is the correct number-line interval for \( -5<\frac{x-2}{4}\le 0 \)?
Explanation opens after your attempt
A. ( (-18,2] )
Concept
Multiplying by ( 4 ) gives \( -20<x-2\le 0 \), so \( -18<x\le 2 \). Multiplication by a positive number does not reverse signs.
Why this answer is correct
The correct answer is A. ( (-18,2] ). Multiplying by ( 4 ) gives \( -20<x-2\le 0 \), so \( -18<x\le 2 \). Multiplication by a positive number does not reverse signs.
Exam Tip
चार से गुणा करने पर \( -20<x-2\le 0 \), इसलिए \( -18<x\le 2 \)। धनात्मक से गुणा करने पर चिन्ह नहीं बदलता।
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