यदि संख्या रेखा पर केवल (6) को छोड़कर बाकी सभी बिंदु छायांकित हैं, तो कौन-सा interval सही है?
If every point except (6) is shaded on the number line, which interval is correct?
Explanation opens after your attempt
B. (\(-\infty,6\)\cup\(6,\infty\))
Concept
Only (6) is removed, so there is an open dot at (6) and shading on both sides. In exams, identify this as \(x\ne6\).
Why this answer is correct
The correct answer is B. (\(-\infty,6\)\cup\(6,\infty\)). Only (6) is removed, so there is an open dot at (6) and shading on both sides. In exams, identify this as \(x\ne6\).
Exam Tip
सिर्फ (6) हटाया गया है, इसलिए (6) पर खुला बिंदु और दोनों ओर shading होगी। परीक्षा में इसे \(x\ne6\) की तरह पहचानें।
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