असमानता \(5x\le 20\) का सही हल क्या है?
What is the correct solution of the inequality \(5x\le 20\)?
Explanation opens after your attempt
A. \(x\le 4\)
Concept
Since (5) is positive, dividing by (5) does not change the sign and gives \(x\le 4\). Keep the equality part of the sign.
Why this answer is correct
The correct answer is A. \(x\le 4\). Since (5) is positive, dividing by (5) does not change the sign and gives \(x\le 4\). Keep the equality part of the sign.
Exam Tip
(5) धनात्मक है इसलिए (5) से भाग देने पर चिन्ह नहीं बदलता और \(x\le 4\) मिलता है। बराबरी वाला चिन्ह बनाए रखें।
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