संख्या रेखा पर \( [-4,8]\setminus[1,3\) ) का सही रूप कौन सा है?
What is the correct form of \( [-4,8]\setminus[1,3\) ) on the number line?
Explanation opens after your attempt
A. ( [-4,1)\cup[3,8] )
Concept
The removed part includes ( 1 ) but excludes ( 3 ). So ( 1 ) is removed and ( 3 ) remains.
Why this answer is correct
The correct answer is A. ( [-4,1)\cup[3,8] ). The removed part includes ( 1 ) but excludes ( 3 ). So ( 1 ) is removed and ( 3 ) remains.
Exam Tip
हटाए गए भाग में ( 1 ) शामिल है पर ( 3 ) शामिल नहीं है। इसलिए ( 1 ) हटेगा और ( 3 ) बचेगा।
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