फलन (f(x)=\frac{4}{x-2+5}-1) की रेंज क्या है?

What is the range of (f(x)=\frac{4}{x-2+5}-1)?

Explanation opens after your attempt
Correct Answer

A. (\(-1,-\frac{1}{5}]\)

Step 1

Concept

The range of \(\frac{4}{x^2+5}\) is ( \(0,\frac{4}{5}]\). Adding (-1) gives (\(-1,-\frac{1}{5}]\).

Step 2

Why this answer is correct

The correct answer is A. (\(-1,-\frac{1}{5}]\). The range of \(\frac{4}{x^2+5}\) is ( \(0,\frac{4}{5}]\). Adding (-1) gives (\(-1,-\frac{1}{5}]\).

Step 3

Exam Tip

\(\frac{4}{x^2+5}\) की रेंज ( \(0,\frac{4}{5}]\) है। इसमें (-1) जोड़ने पर (\(-1,-\frac{1}{5}]\) मिलता है।

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Mathematics Answer, Explanation and Revision Hints

फलन (f(x)=\frac{4}{x-2+5}-1) की रेंज क्या है? / What is the range of (f(x)=\frac{4}{x-2+5}-1)?

Correct Answer: A. (\(-1,-\frac{1}{5}]\). Explanation: \(\frac{4}{x^2+5}\) की रेंज ( \(0,\frac{4}{5}]\) है। इसमें (-1) जोड़ने पर (\(-1,-\frac{1}{5}]\) मिलता है। / The range of \(\frac{4}{x^2+5}\) is ( \(0,\frac{4}{5}]\). Adding (-1) gives (\(-1,-\frac{1}{5}]\).

Which concept should I revise for this Mathematics MCQ?

The range of \(\frac{4}{x^2+5}\) is ( \(0,\frac{4}{5}]\). Adding (-1) gives (\(-1,-\frac{1}{5}]\).

What exam hint can help solve this Mathematics question?

\(\frac{4}{x^2+5}\) की रेंज ( \(0,\frac{4}{5}]\) है। इसमें (-1) जोड़ने पर (\(-1,-\frac{1}{5}]\) मिलता है।