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If (f:R\to R), (f(x)=x+2), what is (f^{-1}(5))?यदि (f:R\to R), (f(x)=x+2), तो (f^{-1}(5)) क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (3)(3)
Step 1: (f^{-1}(5)) means the (x) for which (f(x)=5). Step 2: From (x+2=5), we get (x=3). Step 3: Therefore (f^{-1}(5)=3).चरण 1: (f^{-1}(5)) का अर्थ है वह (x) जिसके लिए (f(x)=5)। चरण 2: (x+2=5) से (x=3) मिलता है। चरण 3: इसलिए (f^{-1}(5)=3)।
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