यदि (f(x)=x-1) और (g(x)=x+1) हों, तो ((f+g)(x)) और ((f-g)(x)) के बारे में सही pair कौन सा है?

If (f(x)=x-1) and (g(x)=x+1), which pair is correct for ((f+g)(x)) and ((f-g)(x))?

Explanation opens after your attempt
Correct Answer

A. (2x,\ -2)

Step 1

Concept

((f+g)(x)=2x) and ((f-g)(x)=(x-1)-(x+1)=-2). Perform plus and minus operations separately.

Step 2

Why this answer is correct

The correct answer is A. (2x,\ -2). ((f+g)(x)=2x) and ((f-g)(x)=(x-1)-(x+1)=-2). Perform plus and minus operations separately.

Step 3

Exam Tip

((f+g)(x)=2x) और ((f-g)(x)=(x-1)-(x+1)=-2)। plus और minus operations अलग-अलग करें।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=x-1) और (g(x)=x+1) हों, तो ((f+g)(x)) और ((f-g)(x)) के बारे में सही pair कौन सा है? / If (f(x)=x-1) and (g(x)=x+1), which pair is correct for ((f+g)(x)) and ((f-g)(x))?

Correct Answer: A. (2x,\ -2). Explanation: ((f+g)(x)=2x) और ((f-g)(x)=(x-1)-(x+1)=-2)। plus और minus operations अलग-अलग करें। / ((f+g)(x)=2x) and ((f-g)(x)=(x-1)-(x+1)=-2). Perform plus and minus operations separately.

Which concept should I revise for this Mathematics MCQ?

((f+g)(x)=2x) and ((f-g)(x)=(x-1)-(x+1)=-2). Perform plus and minus operations separately.

What exam hint can help solve this Mathematics question?

((f+g)(x)=2x) और ((f-g)(x)=(x-1)-(x+1)=-2)। plus और minus operations अलग-अलग करें।