फलन (f(x)=\frac{1}{|x|+1}) का परिसर कौन सा है?
Which is the range of (f(x)=\frac{1}{|x|+1})?
Explanation opens after your attempt
A. ((0,1])
Concept
Since \(|x|+1\ge 1\), (0<f(x)\le 1). The value (0) is only a limiting value and is not attained.
Why this answer is correct
The correct answer is A. ((0,1]). Since \(|x|+1\ge 1\), (0<f(x)\le 1). The value (0) is only a limiting value and is not attained.
Exam Tip
क्योंकि \(|x|+1\ge 1\), इसलिए (0<f(x)\le 1)। (0) केवल सीमा मान है, प्राप्त नहीं होता।
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