यदि \(B={x:x\in W, 3x\leq 12}\), तो (B) क्या है?
If \(B={x:x\in W, 3x\leq 12}\), what is (B)?
Explanation opens after your attempt
B. \(B=\{0,1,2,3,4\}\)
Concept
From \(3x\leq 12\), we get \(x\leq 4\).
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: \(3x\leq 12\) से \(x\leq 4\) मिलता है। चरण 2: \(x\in W\) होने से (0,1,2,3,4) सभी लिए जाएँगे। चरण 3: पूर्ण संख्याओं में (0) को शामिल करना न भूलें।
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