किस स्थिति में (A) से (B) में दिया गया संबंध फलन कहलाता है?
When is a relation from (A) to (B) called a function?
Explanation opens after your attempt
A. (A) के हर तत्व का (B) में ठीक एक प्रतिबिंब होEach element of (A) has exactly one image in (B)
Concept
In a function each element of (A) is related to exactly one element of (B). In exams focus on the phrase exactly one.
Why this answer is correct
The correct answer is A. (A) के हर तत्व का (B) में ठीक एक प्रतिबिंब हो / Each element of (A) has exactly one image in (B). In a function each element of (A) is related to exactly one element of (B). In exams focus on the phrase exactly one.
Exam Tip
फलन में (A) के प्रत्येक तत्व से (B) का ठीक एक तत्व जुड़ता है। परीक्षा में ठीक एक शब्द पर ध्यान दें।
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