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If (f:R\to R), (f(x)=x), what is ((f\circ f)(x))?यदि (f:R\to R), (f(x)=x), तो ((f\circ f)(x)) क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (x)(x)
Step 1: (f(x)=x) is the identity function. Step 2: ((f\circ f)(x)=f(f(x))=f(x)). Step 3: Therefore ((f\circ f)(x)=x).चरण 1: (f(x)=x) पहचान फलन है। चरण 2: ((f\circ f)(x)=f(f(x))=f(x))। चरण 3: इसलिए ((f\circ f)(x)=x) होगा।
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