यदि (f(x)=\frac{x-2-1}{x+1}) और (g(x)=x-1) हैं, तो (f) और (g) किस प्रांत पर समान हैं?

If (f(x)=\frac{x-2-1}{x+1}) and (g(x)=x-1), on which domain are (f) and (g) equal?

Explanation opens after your attempt
Correct Answer

A. \(x\ne -1\)

Step 1

Concept

(x-2-1=(x-1)(x+1)), so (f=x-1), but (x=-1) is excluded. Keep the original denominator restriction in equality.

Step 2

Why this answer is correct

The correct answer is A. \(x\ne -1\). (x-2-1=(x-1)(x+1)), so (f=x-1), but (x=-1) is excluded. Keep the original denominator restriction in equality.

Step 3

Exam Tip

(x-2-1=(x-1)(x+1)), इसलिए (f=x-1), पर (x=-1) हटता है। समानता में मूल हर का प्रतिबंध रखें।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=\frac{x-2-1}{x+1}) और (g(x)=x-1) हैं, तो (f) और (g) किस प्रांत पर समान हैं? / If (f(x)=\frac{x-2-1}{x+1}) and (g(x)=x-1), on which domain are (f) and (g) equal?

Correct Answer: A. \(x\ne -1\). Explanation: (x-2-1=(x-1)(x+1)), इसलिए (f=x-1), पर (x=-1) हटता है। समानता में मूल हर का प्रतिबंध रखें। / (x-2-1=(x-1)(x+1)), so (f=x-1), but (x=-1) is excluded. Keep the original denominator restriction in equality.

Which concept should I revise for this Mathematics MCQ?

(x-2-1=(x-1)(x+1)), so (f=x-1), but (x=-1) is excluded. Keep the original denominator restriction in equality.

What exam hint can help solve this Mathematics question?

(x-2-1=(x-1)(x+1)), इसलिए (f=x-1), पर (x=-1) हटता है। समानता में मूल हर का प्रतिबंध रखें।