यदि (y=f(x)) का ग्राफ दिया हो, तो (y=f^{-1}(x)) का ग्राफ किस रेखा में परावर्तन से प्राप्त होता है?
If the graph of (y=f(x)) is given, the graph of (y=f^{-1}(x)) is obtained by reflection in which line?
Explanation opens after your attempt
Correct Answer
A. (y=x)
Concept
The graph of an inverse function is obtained by reflection in the line (y=x). In exams, check by changing a point ((a,b)) into ((b,a)).
Why this answer is correct
The correct answer is A. (y=x). The graph of an inverse function is obtained by reflection in the line (y=x). In exams, check by changing a point ((a,b)) into ((b,a)).
Exam Tip
व्युत्क्रम फलन का ग्राफ (y=x) रेखा में परावर्तन से मिलता है। परीक्षा में ((a,b)) बिंदु को ((b,a)) बनाकर जाँचें।
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