यदि \(A={x:x\in N, 3\leq x<9}\), तो (A) का सूची रूप कौन-सा है?
If \(A={x:x\in N, 3\leq x<9}\), which is the roster form of (A)?
Explanation opens after your attempt
A. \(A=\{3,4,5,6,7,8\}\)
Concept
Since \(3\leq x\), (3) is included.
Why this answer is correct
Since (x<9), (9) is not included, so the elements are from (3) to (8).
Exam Tip
Read \(\leq\) and (<) separately in inequalities. चरण 1: \(3\leq x\) होने से (3) शामिल होगा। चरण 2: (x<9) होने से (9) शामिल नहीं होगा, इसलिए सदस्य (3) से (8) तक हैं। चरण 3: असमानता में \(\leq\) और (<) को अलग-अलग पढ़ना चाहिए।
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