यदि \(V={x \in \mathbb{Z}:-2\leq x<3}\), तो (n(V)) क्या है?
If \(V={x \in \mathbb{Z}:-2\leq x<3}\), what is (n(V))?
Explanation opens after your attempt
B. (5)
Concept
The integers are (-2,-1,0,1,2).
Why this answer is correct
There are (5) elements, so (n(V)=5).
Exam Tip
Because the left endpoint has \(\leq\), (-2) is included; because the right endpoint has (<), (3) is excluded. चरण 1: दिए गए पूर्णांक (-2,-1,0,1,2) हैं। चरण 2: कुल (5) सदस्य हैं, इसलिए (n(V)=5)। चरण 3: बाएँ सिरे पर \(\leq\) होने से (-2) शामिल होगा और दाएँ सिरे पर (<) होने से (3) शामिल नहीं होगा।
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