{[i]; a space, M21, of all 2 x 1 matrices. V = Select one: True False 2a 3a V={[2ª 30 ]iGhTER} a, b, c 3c Select one: O b=3 ; a ER Then V is a vector subspace of the set, M23, of all 2 x 3 matrices, if: None of the others. O b=0 b=1 b=2 is a subspace of the vector Select one: O True False ): Let U₁, U2, U3 ER³. If U3 = 30₁ - 402, then (U₁, U2, U3) is linearly dependent.