फलन (f(x)=\sqrt{(x-2)(x-6)}) का डोमेन क्या है?
What is the domain of (f(x)=\sqrt{(x-2)(x-6)})?
Explanation opens after your attempt
Correct Answer
A. (\(-\infty,2]\cup[6,\infty\))
Concept
The expression inside the square root must satisfy ((x-2)(x-6)\ge 0). In exams use a sign table to choose the outer intervals.
Why this answer is correct
The correct answer is A. (\(-\infty,2]\cup[6,\infty\)). The expression inside the square root must satisfy ((x-2)(x-6)\ge 0). In exams use a sign table to choose the outer intervals.
Exam Tip
वर्गमूल के अंदर ((x-2)(x-6)\ge 0) होना चाहिए। परीक्षा में संकेत तालिका से बाहरी अंतराल चुनें।
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