असमानता (5-2(x+1)\ge 1) को संख्या रेखा पर किस अंतराल से दिखाएँगे?
Which interval shows (5-2(x+1)\ge 1) on the number line?
Explanation opens after your attempt
Correct Answer
A. (\(-\infty,1]\)
Concept
Simplifying gives \(3-2x\ge 1\), then \(-2x\ge -2\), and \(x\le 1\). The sign reverses when dividing by a negative.
Why this answer is correct
The correct answer is A. (\(-\infty,1]\). Simplifying gives \(3-2x\ge 1\), then \(-2x\ge -2\), and \(x\le 1\). The sign reverses when dividing by a negative.
Exam Tip
सरल करने पर \(3-2x\ge 1\), फिर \(-2x\ge -2\) और \(x\le 1\) मिलता है। ऋणात्मक से भाग देने पर चिह्न बदलता है।
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