यदि (f(x)=x-2+3x) और ((f-g)(x)=2x-2-x) है, तो (g(x)) क्या होगा?
If (f(x)=x-2+3x) and ((f-g)(x)=2x-2-x), what is (g(x))?
Explanation opens after your attempt
A. \(-x^2+4x\)
Concept
(g=f-(f-g)=x-2+3x-\(2x^2-x\)=-x-2+4x). In such questions, remember (g=f-(f-g)).
Why this answer is correct
The correct answer is A. \(-x^2+4x\). (g=f-(f-g)=x-2+3x-\(2x^2-x\)=-x-2+4x). In such questions, remember (g=f-(f-g)).
Exam Tip
(g=f-(f-g)=x-2+3x-\(2x^2-x\)=-x-2+4x)। इस प्रकार के प्रश्न में (g=f-(f-g)) याद रखें।
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