यदि (f(x)=x-2+1) और (g(x)=x-2-1) हैं, तो ((f-g)(x)) का मान क्या है?

If (f(x)=x-2+1) and (g(x)=x-2-1), what is the value of ((f-g)(x))?

Explanation opens after your attempt
Correct Answer

A. (2)

Step 1

Concept

((f-g)(x)=x-2+1-\(x^2-1\)=2). While subtracting, signs change after opening brackets.

Step 2

Why this answer is correct

The correct answer is A. (2). ((f-g)(x)=x-2+1-\(x^2-1\)=2). While subtracting, signs change after opening brackets.

Step 3

Exam Tip

((f-g)(x)=x-2+1-\(x^2-1\)=2)। घटाव में कोष्ठक खोलते समय चिन्ह बदलना जरूरी है।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=x-2+1) और (g(x)=x-2-1) हैं, तो ((f-g)(x)) का मान क्या है? / If (f(x)=x-2+1) and (g(x)=x-2-1), what is the value of ((f-g)(x))?

Correct Answer: A. (2). Explanation: ((f-g)(x)=x-2+1-\(x^2-1\)=2)। घटाव में कोष्ठक खोलते समय चिन्ह बदलना जरूरी है। / ((f-g)(x)=x-2+1-\(x^2-1\)=2). While subtracting, signs change after opening brackets.

Which concept should I revise for this Mathematics MCQ?

((f-g)(x)=x-2+1-\(x^2-1\)=2). While subtracting, signs change after opening brackets.

What exam hint can help solve this Mathematics question?

((f-g)(x)=x-2+1-\(x^2-1\)=2)। घटाव में कोष्ठक खोलते समय चिन्ह बदलना जरूरी है।