यदि (f(x)=\frac{1}{x-a}) का प्रांत \(\mathbb{R}\setminus{5}\) है, तो (a) क्या है?
If the domain of (f(x)=\frac{1}{x-a}) is \(\mathbb{R}\setminus{5}\), what is (a)?
Explanation opens after your attempt
A. (5)
Concept
The denominator becomes zero at (x=a), so that value is removed. The removed value is (5), hence (a=5).
Why this answer is correct
The correct answer is A. (5). The denominator becomes zero at (x=a), so that value is removed. The removed value is (5), hence (a=5).
Exam Tip
हर शून्य होने पर (x=a) हटता है। दिए गए हटे हुए मान से (a=5) है।
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