असमानता \(7x+2\geq 3x-18\) का हल समुच्चय कौन सा है?
Which is the solution set of \(7x+2\geq 3x-18\)?
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Correct Answer
D. \({x:x\geq -5}\)
Concept
From \(4x\geq -20\), we get \(x\geq -5\). In set form, writing the correct inequality sign is important.
Why this answer is correct
The correct answer is D. \({x:x\geq -5}\). From \(4x\geq -20\), we get \(x\geq -5\). In set form, writing the correct inequality sign is important.
Exam Tip
\(4x\geq -20\) से \(x\geq -5\) मिलता है। समुच्चय रूप में सही असमानता चिन्ह लिखना जरूरी है।
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