संख्या रेखा पर (-2<x<1) में कितने अंतिम बिंदु खाली होंगे?
How many endpoints are open in (-2<x<1) on the number line?
Explanation opens after your attempt
Correct Answer
C. (2)
Concept
Both sides have strict inequalities, so both endpoints are excluded. Therefore there are two open circles.
Why this answer is correct
The correct answer is C. (2). Both sides have strict inequalities, so both endpoints are excluded. Therefore there are two open circles.
Exam Tip
दोनों ओर कठोर असमता है इसलिए दोनों सीमाएँ शामिल नहीं हैं। अतः दो खाली वृत्त होंगे।
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