यदि (f(x)=x-2) है, तो ((ff)(x)) क्या है?
If (f(x)=x-2), what is ((ff)(x))?
Explanation opens after your attempt
A. \(x^2-4x+4\)
Concept
((ff)(x)=f(x)\cdot f(x)=(x-2)2=x-2-4x+4). Do not confuse ((ff)(x)) with (f(f(x))).
Why this answer is correct
The correct answer is A. \(x^2-4x+4\). ((ff)(x)=f(x)\cdot f(x)=(x-2)2=x-2-4x+4). Do not confuse ((ff)(x)) with (f(f(x))).
Exam Tip
((ff)(x)=f(x)\cdot f(x)=(x-2)2=x-2-4x+4)। ((ff)(x)) को (f(f(x))) न समझें।
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