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If (f:{1,2,3}\to{p,q,r}) has (f(1)=p), (f(2)=q), (f(3)=q), which statement is correct?यदि (f:{1,2,3}\to{p,q,r}) में (f(1)=p), (f(2)=q), (f(3)=q), तो कौन-सा कथन सही है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (f) is not one-one(f) एकैकी नहीं है
Step 1: Here (2) and (3) are two different inputs. Step 2: Both have output (q), so an output is repeated. Step 3: A repeated output immediately breaks one-one property.चरण 1: यहाँ (2) और (3) दो अलग निवेश हैं। चरण 2: दोनों का निर्गत (q) है, इसलिए निर्गत दोहराया गया। चरण 3: दोहराया हुआ निर्गत एकैकीता को तुरंत समाप्त कर देता है।
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