4. Let aj = (1,3, –2), a2 = (5, 1,4), and b = (6, –9, 3). (a) Project b onto the line through a1. (b) Project b onto span{a1, a2}, i.e., the subspace spanned by aj and a2.

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ISBN:9780470458365
Author:Erwin Kreyszig
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4. Let aj — (1, 3, —2), аз — (5, 1,4), and b — (6, —9, 3).
%3D
(a) Project b onto the line through a1.
(b) Project b onto span{a1, a2}, i.e., the subspace spanned by aj and a2.
Transcribed Image Text:4. Let aj — (1, 3, —2), аз — (5, 1,4), and b — (6, —9, 3). %3D (a) Project b onto the line through a1. (b) Project b onto span{a1, a2}, i.e., the subspace spanned by aj and a2.
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