समुच्चय \(C={x \in \mathbb{Z}:-3<x\leq 2}\) का रोस्टर रूप कौन सा है?
Which is the roster form of the set \(C={x \in \mathbb{Z}:-3<x\leq 2}\)?
Explanation opens after your attempt
B. ({-2,-1,0,1,2})
Concept
(x) is an integer and must be greater than (-3).
Why this answer is correct
(-3) is excluded but (2) is included because of \(\leq\).
Exam Tip
Read open and closed endpoints carefully in inequalities. चरण 1: (x) पूर्णांक है और (-3) से बड़ा होना चाहिए। चरण 2: (-3) शामिल नहीं होगा, लेकिन (2) शामिल होगा क्योंकि चिन्ह \(\leq\) है। चरण 3: असमानता में खुले और बंद सिरों को ध्यान से पढ़ें।
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