फलन (f(x)=|x-2|-|x+2|) का परिसर क्या है?

What is the range of (f(x)=|x-2|-|x+2|)?

Explanation opens after your attempt
Correct Answer

A. ( [-4,4] )

Step 1

Concept

The difference of distances from (2) and (-2) stays between (-4) and (4). Removing signs interval-wise is the safe method.

Step 2

Why this answer is correct

The correct answer is A. ( [-4,4] ). The difference of distances from (2) and (-2) stays between (-4) and (4). Removing signs interval-wise is the safe method.

Step 3

Exam Tip

बिंदुओं (2) और (-2) से दूरी के अंतर का मान (-4) से (4) तक रहता है। अंतरालों पर चिह्न हटाकर जांचना सुरक्षित तरीका है।

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फलन (f(x)=|x-2|-|x+2|) का परिसर क्या है? / What is the range of (f(x)=|x-2|-|x+2|)?

Correct Answer: A. ( [-4,4] ). Explanation: बिंदुओं (2) और (-2) से दूरी के अंतर का मान (-4) से (4) तक रहता है। अंतरालों पर चिह्न हटाकर जांचना सुरक्षित तरीका है। / The difference of distances from (2) and (-2) stays between (-4) and (4). Removing signs interval-wise is the safe method.

Which concept should I revise for this Mathematics MCQ?

The difference of distances from (2) and (-2) stays between (-4) and (4). Removing signs interval-wise is the safe method.

What exam hint can help solve this Mathematics question?

बिंदुओं (2) और (-2) से दूरी के अंतर का मान (-4) से (4) तक रहता है। अंतरालों पर चिह्न हटाकर जांचना सुरक्षित तरीका है।