Why is the following set a subspace of

I immediately said it is not a subspace since complex numbers aren't in real numbers. It's the other way around. But I am wrong apparently...

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- July 3rd 2010, 03:08 PMjayshizwizWhy is this set a subspace ??
Why is the following set a subspace of

I immediately said it is not a subspace since complex numbers aren't in real numbers. It's the other way around. But I am wrong apparently... - July 3rd 2010, 03:49 PMHallsofIvy
- July 3rd 2010, 09:10 PMjayshizwizQuote:

This is NOT a vector space over the real numbers but it IS a vector space over the complex numbers, Just as the original space, http://www.mathhelpforum.com/math-he...894ae225d7.png is a vector space over the complex numbers, not the real numbers.