यदि (f(a)=b) है, तो (a) को (b) का क्या कहा जा सकता है?
If (f(a)=b), what can (a) be called for (b)?
Explanation opens after your attempt
Correct Answer
B. पूर्वछविPreimage
Concept
(a) is a preimage of (b) because applying (f) to (a) gives (b). In exams, do not reverse image and preimage.
Why this answer is correct
The correct answer is B. पूर्वछवि / Preimage. (a) is a preimage of (b) because applying (f) to (a) gives (b). In exams, do not reverse image and preimage.
Exam Tip
(a), (b) की पूर्वछवि है क्योंकि (f) से (a) का मान (b) मिलता है। परीक्षा में छवि और पूर्वछवि को उल्टा न करें।
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