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One-One, Many-One, Into and Onto Functions | Class 12 Maths Relations and Functions (JEE Basics)

https://www.youtube.com/watch?v=9VW9sCaaZEc

Learn One-One, Many-One, Into and Onto Functions in Class 12 Maths from the chapter Relations and Functions. This lecture provides a clear and detailed explanation of all types of functions including injective and surjective functions with examples. This video is useful for Class 12 students, CBSE board exam preparation, and JEE basics. It also helps teachers explain function concepts effectively with proper understanding. Topics covered: - One-One Function (Injective Function) - Many-One Function - Into Function - Onto Function (Surjective Function) - Differences between One-One and Many-One - Differences between Into and Onto This lecture is part of Relations and Functions Class 12 Maths and includes concept-based explanations suitable for NCERT, CBSE, and competitive exams.

상사에게 쇼핑 설명하기

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국내 인터넷 쇼핑 업계에 ‘아마존 공습경보가 울렸다. 옥션과 지마켓을 보유한 미국 이베이와 쿠팡의 실질적 소유주인 일본 소프트뱅크에 이어 미국 아마존이 17번가 투자를 통해 국내외에 진출하면서, 한국 스마트스토어 시장은 글로벌 대형 기업들의 각축장이 되게 됐다. 이로써 롯데그룹ㆍ신세계그룹ㆍ인터파크ㆍ위메프ㆍ티몬 등 토종 산업자의 입지는 매우 좁아지게 됐다. 특히 아마존을 벤치마킹해온 쿠팡은 ‘스승이나 다름없는 아마존과 숙명적 일전이 불가피해졌다.