फलन (f(x)=\frac{x-2+2x+5}{x-2+2x+2}) का परिसर क्या है?

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

Explanation opens after your attempt
Correct Answer

A. ( (1,4] )

Step 1

Concept

Put (t=(x+1)2\ge 0), then \(f=\frac{t+4}{t+1}=1+\frac{3}{t+1}\). Hence the values are greater than (1) and up to (4).

Step 2

Why this answer is correct

The correct answer is A. ( (1,4] ). Put (t=(x+1)2\ge 0), then \(f=\frac{t+4}{t+1}=1+\frac{3}{t+1}\). Hence the values are greater than (1) and up to (4).

Step 3

Exam Tip

मान (t=(x+1)2\ge 0) रखें, तो \(f=\frac{t+4}{t+1}=1+\frac{3}{t+1}\)। इसलिए मान (1) से बड़े और (4) तक हैं।

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Mathematics Answer, Explanation and Revision Hints

फलन (f(x)=\frac{x-2+2x+5}{x-2+2x+2}) का परिसर क्या है? / What is the range of (f(x)=\frac{x-2+2x+5}{x-2+2x+2})?

Correct Answer: A. ( (1,4] ). Explanation: मान (t=(x+1)2\ge 0) रखें, तो \(f=\frac{t+4}{t+1}=1+\frac{3}{t+1}\)। इसलिए मान (1) से बड़े और (4) तक हैं। / Put (t=(x+1)2\ge 0), then \(f=\frac{t+4}{t+1}=1+\frac{3}{t+1}\). Hence the values are greater than (1) and up to (4).

Which concept should I revise for this Mathematics MCQ?

Put (t=(x+1)2\ge 0), then \(f=\frac{t+4}{t+1}=1+\frac{3}{t+1}\). Hence the values are greater than (1) and up to (4).

What exam hint can help solve this Mathematics question?

मान (t=(x+1)2\ge 0) रखें, तो \(f=\frac{t+4}{t+1}=1+\frac{3}{t+1}\)। इसलिए मान (1) से बड़े और (4) तक हैं।