कौन-सा अंतराल \(2<x\leq 9\) को दर्शाता है?
Which interval represents \(2<x\leq 9\)?
Explanation opens after your attempt
A. ((2,9])open at (2), closed at (9)
Concept
In (2<x), (2) is not included.
Why this answer is correct
In \(x\leq 9\), (9) is included.
Exam Tip
The equality sign in an inequality includes the endpoint. चरण 1: (2<x) में (2) शामिल नहीं है। चरण 2: \(x\leq 9\) में (9) शामिल है। चरण 3: असमानता में बराबर का चिह्न सीमा को शामिल कराता है।
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