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zzr0ck3r

  • 3 years ago

Is it possible to find a pair of two -dimensional sub-spaces U and V of R^3 such that U intersection V = {0}? Prove your answer. Give a geometricle interpretation of your conclusion. [ hint: let {u_1,u_2} and {v_1,v_2} be bases for U and V, respectively. Show that u_1,u_2,v_1,v_2 are linearly independent.]

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  1. zordoloom
    • 3 years ago
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    Do you have any clue how to start this?

  2. zzr0ck3r
    • 3 years ago
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    nope

  3. across
    • 3 years ago
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    Well, a two-dimensional subspace of \(\mathbb{R}^3\) is a plane, right?

  4. zzr0ck3r
    • 3 years ago
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    um not always, you could have a two dim subspace with 2 linear independent vectors and span a line

  5. zzr0ck3r
    • 3 years ago
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    but either way, this is not the important part of the question.

  6. across
    • 3 years ago
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    That's right; you could span two lines that intersect at the origin.

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