यदि (f(x)=3x+2) और (g(x)=x-4) हों, तो ((f+g)(x)=0) के लिए (x) क्या है?

If (f(x)=3x+2) and (g(x)=x-4), what is (x) for ((f+g)(x)=0)?

Explanation opens after your attempt
Correct Answer

A. \(x=\frac{1}{2}\)

Step 1

Concept

((f+g)(x)=4x-2), so (4x-2=0) gives \(x=\frac{1}{2}\). Check signs quickly in linear equations.

Step 2

Why this answer is correct

The correct answer is A. \(x=\frac{1}{2}\). ((f+g)(x)=4x-2), so (4x-2=0) gives \(x=\frac{1}{2}\). Check signs quickly in linear equations.

Step 3

Exam Tip

((f+g)(x)=4x-2), इसलिए (4x-2=0) से \(x=\frac{1}{2}\)। रैखिक समीकरण में संकेत जल्दी जांचें।

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Mathematics Answer, Explanation and Revision Hints

यदि (f(x)=3x+2) और (g(x)=x-4) हों, तो ((f+g)(x)=0) के लिए (x) क्या है? / If (f(x)=3x+2) and (g(x)=x-4), what is (x) for ((f+g)(x)=0)?

Correct Answer: A. \(x=\frac{1}{2}\). Explanation: ((f+g)(x)=4x-2), इसलिए (4x-2=0) से \(x=\frac{1}{2}\)। रैखिक समीकरण में संकेत जल्दी जांचें। / ((f+g)(x)=4x-2), so (4x-2=0) gives \(x=\frac{1}{2}\). Check signs quickly in linear equations.

Which concept should I revise for this Mathematics MCQ?

((f+g)(x)=4x-2), so (4x-2=0) gives \(x=\frac{1}{2}\). Check signs quickly in linear equations.

What exam hint can help solve this Mathematics question?

((f+g)(x)=4x-2), इसलिए (4x-2=0) से \(x=\frac{1}{2}\)। रैखिक समीकरण में संकेत जल्दी जांचें।