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Which interval shows (5-2(x+1)\ge 1) on the number line?असमानता (5-2(x+1)\ge 1) को संख्या रेखा पर किस अंतराल से दिखाएँगे?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((-\infty,1])((-\infty,1])
Simplifying gives (3-2x\ge 1), then (-2x\ge -2), and (x\le 1). The sign reverses when dividing by a negative.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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