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If (f:A\to B) is one-one and (a_1\ne a_2), which statement is true?यदि (f:A\to B) एक-एकी है और (a_1\ne a_2), तो कौन-सा कथन सही है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (f(a_1)\ne f(a_2))(f(a_1)\ne f(a_2))
Step 1: In a one-one function, different inputs have different images. Step 2: Here (a_1\ne a_2) is given. Step 3: Therefore (f(a_1)\ne f(a_2)).चरण 1: एक-एकी फलन में अलग आगतों की छवियाँ अलग होती हैं। चरण 2: यहाँ (a_1\ne a_2) दिया है। चरण 3: इसलिए (f(a_1)\ne f(a_2)) होगा।
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