1. Let u and v be vectors in a vector space V, and let H be any subspace of V that contains both u and v. Explain why H also contains Span{u, v}.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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1. Let **u** and **v** be vectors in a vector space **V**, and let **H** be any subspace of **V** that contains both **u** and **v**. Explain why **H** also contains Span{**u**, **v**}.

2. Let **H** and **K** be subspaces of a vector space **V**. The intersection of **H** and **K**, denoted by **H \cap K**, is the set of **v** in **V** such that **v** belongs to both **H** and **K**. Show that **H \cap K** is a subspace of **V**.
Transcribed Image Text:1. Let **u** and **v** be vectors in a vector space **V**, and let **H** be any subspace of **V** that contains both **u** and **v**. Explain why **H** also contains Span{**u**, **v**}. 2. Let **H** and **K** be subspaces of a vector space **V**. The intersection of **H** and **K**, denoted by **H \cap K**, is the set of **v** in **V** such that **v** belongs to both **H** and **K**. Show that **H \cap K** is a subspace of **V**.
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