फलन (f(x)=\frac{x-2+2}{x-2+5}) की रेंज क्या है?
What is the range of (f(x)=\frac{x-2+2}{x-2+5})?
Explanation opens after your attempt
Correct Answer
A. \([\frac{2}{5},1\))
Concept
\(\frac{x^2+2}{x^2+5}=1-\frac{3}{x^2+5}\). At (x=0), the minimum \(\frac{2}{5}\) is attained and (1) is not attained.
Why this answer is correct
The correct answer is A. \([\frac{2}{5},1\)). \(\frac{x^2+2}{x^2+5}=1-\frac{3}{x^2+5}\). At (x=0), the minimum \(\frac{2}{5}\) is attained and (1) is not attained.
Exam Tip
\(\frac{x^2+2}{x^2+5}=1-\frac{3}{x^2+5}\) है। (x=0) पर न्यूनतम \(\frac{2}{5}\) मिलता है और (1) नहीं मिलता।
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