(3) 18. Let -33 -11 -55 11
A=27 9 45 and b= -9
-9 -3 -15 3 a) Given that u₁ = = (-3, 1,0) and u₂ = (-3,0,1) span Nul(A), write the general solution to Ax = 0. b) Show that v = (-6,2,3) is a solution to Ax = b.
c) Write the general solution to Ax = b.