असमानता \(9-x\le 5\) का हल बताइए।
State the solution of \(9-x\le 5\).
Explanation opens after your attempt
Correct Answer
A. \(x\ge 4\)
Concept
\(9-x\le 5\) gives \(-x\le -4\), and dividing by (-1) gives \(x\ge 4\). Reverse the sign when dividing by a negative number.
Why this answer is correct
The correct answer is A. \(x\ge 4\). \(9-x\le 5\) gives \(-x\le -4\), and dividing by (-1) gives \(x\ge 4\). Reverse the sign when dividing by a negative number.
Exam Tip
\(9-x\le 5\) से \(-x\le -4\) मिलता है और (-1) से भाग देने पर \(x\ge 4\) है। ऋणात्मक से भाग देने पर चिन्ह उलटें।
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