यदि (f(x)=2x+1) और (g(x)=x-4) हों, तो ((f+g)(x)=0) के लिए (x) का मान क्या है?

If (f(x)=2x+1) and (g(x)=x-4), what is the value of (x) for ((f+g)(x)=0)?

Explanation opens after your attempt
Correct Answer

A. (1)

Step 1

Concept

((f+g)(x)=3x-3), so (3x-3=0) gives (x=1). First form the sum, then solve the equation.

Step 2

Why this answer is correct

The correct answer is A. (1). ((f+g)(x)=3x-3), so (3x-3=0) gives (x=1). First form the sum, then solve the equation.

Step 3

Exam Tip

((f+g)(x)=3x-3), इसलिए (3x-3=0) से (x=1)। पहले sum बनाएं, फिर equation solve करें।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=2x+1) और (g(x)=x-4) हों, तो ((f+g)(x)=0) के लिए (x) का मान क्या है? / If (f(x)=2x+1) and (g(x)=x-4), what is the value of (x) for ((f+g)(x)=0)?

Correct Answer: A. (1). Explanation: ((f+g)(x)=3x-3), इसलिए (3x-3=0) से (x=1)। पहले sum बनाएं, फिर equation solve करें। / ((f+g)(x)=3x-3), so (3x-3=0) gives (x=1). First form the sum, then solve the equation.

Which concept should I revise for this Mathematics MCQ?

((f+g)(x)=3x-3), so (3x-3=0) gives (x=1). First form the sum, then solve the equation.

What exam hint can help solve this Mathematics question?

((f+g)(x)=3x-3), इसलिए (3x-3=0) से (x=1)। पहले sum बनाएं, फिर equation solve करें।