यदि \(A={x:x\in N, 4<x\leq 10}\), तो (A) का सूची रूप कौन-सा है?
If \(A={x:x\in N, 4<x\leq 10}\), which is the roster form of (A)?
Correct answer and explanation
A. \(A=\{5,6,7,8,9,10\}\)
Concept
(4<x) होने से (4) शामिल नहीं होगा। / Since (4<x), (4) is not included.
Why this answer is correct
\(x\leq 10\) होने से (10) शामिल होगा। / Since \(x\leq 10\), (10) is included.
Exam Tip
दोनों सीमाओं को अलग-अलग देखकर सूची बनाना सुरक्षित रहता है। / Read both boundary conditions separately before making the list.
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