असमानता \(9-3x\leq0\) का हल समुच्चय क्या है?
What is the solution set of \(9-3x\leq0\)?
Explanation opens after your attempt
A. \({x:x\in\mathbb{R},x\geq3}\)
Concept
From \(9-3x\leq0\) we get \(-3x\leq-9\) and then \(x\geq3\). The sign reverses when dividing by a negative number.
Why this answer is correct
The correct answer is A. \({x:x\in\mathbb{R},x\geq3}\). From \(9-3x\leq0\) we get \(-3x\leq-9\) and then \(x\geq3\). The sign reverses when dividing by a negative number.
Exam Tip
\(9-3x\leq0\) से \(-3x\leq-9\) और \(x\geq3\) मिलता है। ऋण से भाग देने पर चिन्ह बदलता है।
Login to save your score, XP, coins and progress.
