यदि \(A={x\in\mathbb{Z}:-4\le x<3}\), तो (A) में अवयवों की संख्या कितनी है?
If \(A={x\in\mathbb{Z}:-4\le x<3}\), how many elements are in (A)?
Explanation opens after your attempt
B. (7)
Concept
(-4) is included, but (3) is not included.
Why this answer is correct
The elements are (-4,-3,-2,-1,0,1,2), giving (7) elements.
Exam Tip
Read the boundary symbols carefully. चरण 1: (-4) शामिल है, लेकिन (3) शामिल नहीं है। चरण 2: अवयव (-4,-3,-2,-1,0,1,2) हैं, कुल (7) अवयव। चरण 3: सीमा में लगे चिन्ह को ध्यान से पढ़ें।
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