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Choose the correct statement for (f:\mathbb{Z}\to \mathbb{Z}), (f(n)=n^2).फलन (f:\mathbb{Z}\to \mathbb{Z}), (f(n)=n^2) के लिए सही कथन चुनिए।
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Not onto because negative integers are not obtainedआच्छादक नहीं है क्योंकि ऋणात्मक पूर्णांक नहीं मिलते
Step 1: (n^2) is never negative. Step 2: The codomain (\mathbb{Z}) contains integers like (-1), which are not obtained. Step 3: With integer domains, quickly identify missing values of the square function.चरण 1: (n^2) कभी ऋणात्मक नहीं होता। चरण 2: सहक्षेत्र (\mathbb{Z}) में (-1) जैसे पूर्णांक हैं जो नहीं मिलते। चरण 3: पूर्णांक प्रांत में वर्ग फलन के छूटे हुए मान तुरंत पहचानें।
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