ChHal1958
19.12.2019 •
Mathematics
Suppose s is a six-dimensional subspace of nine-dimensional space r 9 .
(a) what are the possible dimensions of subspaces orthogonal to s?
(b) what are the possible dimensions of the orthogonal complement s j_ of s?
( c) what is the smallest possible size of a matrix a that has row space s?
(d) what is the smallest possible size of a matrix b that has nullspace s j_ ?
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Ответ:
the circle is 360 and BD+BCD=360
so BCD=360-172=188