फलन (f(x)=\frac{x-2-4}{x-2}) का प्रांत क्या है?
What is the domain of (f(x)=\frac{x-2-4}{x-2})?
Explanation opens after your attempt
Correct Answer
A. \( \mathbb{R}\setminus{2} \)
Concept
Even after simplification, the original denominator requires \(x-2\ne 0\). Do not add the cancelled point back into the domain.
Why this answer is correct
The correct answer is A. \( \mathbb{R}\setminus{2} \). Even after simplification, the original denominator requires \(x-2\ne 0\). Do not add the cancelled point back into the domain.
Exam Tip
सरलीकरण के बाद भी मूल हर में \(x-2\ne 0\) रहना चाहिए। हटे हुए बिंदु को प्रांत में वापस न जोड़ें।
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