यदि (f(x)=x-2-1) और (g(x)=2x+3) हैं तो ((f+g)(x)) का सही रूप क्या है?
If (f(x)=x-2-1) and (g(x)=2x+3) then what is the correct form of ((f+g)(x))?
Explanation opens after your attempt
Correct Answer
A. \(x^2+2x+2\)
Concept
((f+g)(x)=f(x)+g(x)=x-2-1+2x+3=x-2+2x+2). In exams combine like terms carefully.
Why this answer is correct
The correct answer is A. \(x^2+2x+2\). ((f+g)(x)=f(x)+g(x)=x-2-1+2x+3=x-2+2x+2). In exams combine like terms carefully.
Exam Tip
((f+g)(x)=f(x)+g(x)=x-2-1+2x+3=x-2+2x+2)। परीक्षा में समान पदों को ध्यान से जोड़ें।
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