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If (f:R\to R), (f(x)=x), what is (f^{-1}(x))?यदि (f:R\to R), (f(x)=x), तो (f^{-1}(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: The identity function keeps every value unchanged. Step 3: Therefore its inverse is also (f^{-1}(x)=x).चरण 1: (f(x)=x) पहचान फलन है। चरण 2: पहचान फलन हर मान को वैसा ही रखता है। चरण 3: इसलिए इसका प्रतिलोम भी (f^{-1}(x)=x) ही होता है।
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