-3 6 Let A = -1 1 Find k such that Nul(A) is a subspace of RA -- Find k such that Col(.A) is a subspace of RK Let B = -3 -4 3 6 5 Find k such that Row(B) is a subspace of R" Find k such that Nul(B) is a subspace of Rk 6 3 O 3 O -2 Let C= 0 -2 6 -26 8 Find k such that Col(C) is a subspace of RA Find k such that Row(C) is a subspace of R
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