यदि \(x\leq -3\), तो (2-5x) के लिए कौन सा संबंध हमेशा सत्य है?
If \(x\leq -3\), which relation is always true for (2-5x)?
Explanation opens after your attempt
B. \(2-5x\geq 17\)
Concept
Multiplying \(x\leq -3\) by (-5) gives \(-5x\geq 15\), then adding (2) gives \(2-5x\geq 17\). Negative multiplication changes direction.
Why this answer is correct
The correct answer is B. \(2-5x\geq 17\). Multiplying \(x\leq -3\) by (-5) gives \(-5x\geq 15\), then adding (2) gives \(2-5x\geq 17\). Negative multiplication changes direction.
Exam Tip
\(x\leq -3\) को (-5) से गुणा करने पर \(-5x\geq 15\) और (2) जोड़ने पर \(2-5x\geq 17\) है। ऋणात्मक गुणन में दिशा बदलती है।
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