फलन (f(x)=\frac{x-2+3}{x-2+7}) की रेंज क्या है?
What is the range of (f(x)=\frac{x-2+3}{x-2+7})?
Explanation opens after your attempt
A. \([\frac{3}{7},1\))
Concept
\(\frac{x^2+3}{x^2+7}=1-\frac{4}{x^2+7}\). At (x=0), \(\frac{3}{7}\) is obtained and (1) is never obtained.
Why this answer is correct
The correct answer is A. \([\frac{3}{7},1\)). \(\frac{x^2+3}{x^2+7}=1-\frac{4}{x^2+7}\). At (x=0), \(\frac{3}{7}\) is obtained and (1) is never obtained.
Exam Tip
\(\frac{x^2+3}{x^2+7}=1-\frac{4}{x^2+7}\) है। (x=0) पर \(\frac{3}{7}\) मिलता है और (1) कभी नहीं मिलता।
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