असमानता \(4-x\le 0\) का सही हल कौन सा है?
Which is the correct solution of \(4-x\le 0\)?
Explanation opens after your attempt
Correct Answer
B. \(x\ge 4\)
Concept
From \(4-x\le 0\), we get \(-x\le -4\), and dividing by a negative gives \(x\ge 4\). Reverse the sign when removing (-x).
Why this answer is correct
The correct answer is B. \(x\ge 4\). From \(4-x\le 0\), we get \(-x\le -4\), and dividing by a negative gives \(x\ge 4\). Reverse the sign when removing (-x).
Exam Tip
\(4-x\le 0\) से \(-x\le -4\) मिलता है और ऋणात्मक से भाग देने पर \(x\ge 4\)। (-x) हटाते समय चिह्न पलटें।
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