असमानता \(-5x\le 20\) हल करते समय कौन सा नियम लागू होगा?
Which rule applies while solving \(-5x\le 20\)?
Explanation opens after your attempt
A. (-5) से भाग देने पर चिह्न पलटेगाDividing by (-5) reverses the sign
Concept
Dividing by a negative number reverses the inequality sign. This is the key rule in \(-5x\le 20\).
Why this answer is correct
The correct answer is A. (-5) से भाग देने पर चिह्न पलटेगा / Dividing by (-5) reverses the sign. Dividing by a negative number reverses the inequality sign. This is the key rule in \(-5x\le 20\).
Exam Tip
ऋणात्मक संख्या से भाग देने पर असमानता का चिह्न पलटता है। यही नियम \(-5x\le 20\) में मुख्य है।
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