फलन (f(x)=\frac{1}{x-4}) का प्रांत क्या है?
What is the domain of (f(x)=\frac{1}{x-4})?
Explanation opens after your attempt
A. \(\mathbb{R}-{4}\)
Concept
The denominator is (x-4), so at (x=4) it becomes (0). Hence (4) is excluded from the domain.
Why this answer is correct
The correct answer is A. \(\mathbb{R}-{4}\). The denominator is (x-4), so at (x=4) it becomes (0). Hence (4) is excluded from the domain.
Exam Tip
हर (x-4) है, इसलिए (x=4) पर हर (0) बनता है। इसीलिए (4) को प्रांत से हटाते हैं।
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