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Exercise 22

Avg difficulty 3.0

We know that if V=W1⊕W2V=W_{1}\oplus W_{2} then there is a basis for VV that splits into a basis for W1W_{1} and a basis for W2W_{2}. Can we make the stronger statement that every basis for VV splits into a basis for W1W_{1} and a basis for W2W_{2}?

Hefferon, Linear Algebra, Vector Spaces, Combining Subspaces, Exercise 22

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Adapted from Linear Algebra © 2016 Jim Hefferon. Licensed under CC BY-SA 3.0 US. Source: Linear Algebra. Imported at revision df2262e.