यदि \(B={x:x\in W, 2x+1\leq 9}\), तो (B) क्या होगा?
If \(B={x:x\in W, 2x+1\leq 9}\), what is (B)?
Explanation opens after your attempt
B. \(B=\{0,1,2,3,4\}\)
Concept
From \(2x+1\leq 9\), we get \(2x\leq 8\), so \(x\leq 4\).
Why this answer is correct
Since \(x\in W\), the elements are (0,1,2,3,4).
Exam Tip
Do not forget (0) in whole numbers. चरण 1: \(2x+1\leq 9\) से \(2x\leq 8\) और \(x\leq 4\) मिलता है। चरण 2: \(x\in W\) होने से (0,1,2,3,4) सदस्य होंगे। चरण 3: पूर्ण संख्याओं में (0) को शामिल करना न भूलें।
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