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If (f(x)=\ln x), what is the real domain?यदि (f(x)=\ln x), तो वास्तविक प्रांत क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((0,\infty))((0,\infty))
Step 1: (\ln x) is defined only for positive (x). Step 2: (x=0) and negative (x) are not included in the real domain. Step 3: For logarithmic functions, the inside expression must be (>0).चरण 1: (\ln x) केवल धनात्मक (x) के लिए परिभाषित होता है। चरण 2: (x=0) और ऋणात्मक (x) वास्तविक प्रांत में नहीं आते। चरण 3: लघुगणकीय फलन में अंदर की राशि हमेशा (>0) रखें।
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