Showing that two vector spaces are equal.

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SUMMARY

This discussion focuses on demonstrating the equality of two vector spaces through containment in both directions. The user has successfully established containment in one direction but is seeking assistance with the more challenging reverse containment. The specific vectors involved are defined as ##w_1 = v_1, w_2 = c_{12}v_1 + v_2, w_3 = c_{13}v_1 + c_{23}v_2 + v_3##. The goal is to express the ##v_i## in terms of the ##w_i## to complete the proof.

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  • Knowledge of containment proofs in linear algebra
  • Ability to manipulate equations involving multiple variables
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jdinatale
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I thought that I should do containment in both directions. I have containment in one direction, but the other is much harder. Any ideas?

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Call ##w_1= v_1,\ w_2 = c_{12}v_1+v_2,\ w_3 = c_{13}v_1+c_{23}v_2 + v_3## Can you solve for the ##v_i## in terms of the ##w_i##?
 

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