किस विकल्प में \(x\in (5,10)\) का सही संख्या रेखा संकेत है?
Which option gives the correct number line indication for \(x\in (5,10)\)?
Explanation opens after your attempt
Correct Answer
B. (5) खुला और (10) बंद(5) open and (10) closed
Concept
(5) has a parenthesis, so it is excluded, and (10) has a square bracket, so it is included. This decides the open and closed endpoints.
Why this answer is correct
The correct answer is B. (5) खुला और (10) बंद / (5) open and (10) closed. (5) has a parenthesis, so it is excluded, and (10) has a square bracket, so it is included. This decides the open and closed endpoints.
Exam Tip
(5) के साथ गोल कोष्ठक है इसलिए वह शामिल नहीं है और (10) के साथ वर्ग कोष्ठक है इसलिए वह शामिल है। यही खुले और बंद सिरों को तय करता है।
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