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