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Consider the matrix 3×3
(A-9I)x =0 for all x in A
Since A-9I =0
this equals 0 for all values of x
Find an explicit description of Nul A by listing vectors that span the null space.
See answers (1)
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Assume that A is row equivalent to B. Find bases for Nul A and Col A.
See answers (3)
See answers (2)
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