Use the fact that matrices A and B are row-equivalent. 1 2 1 0 0 2 5 1 1 0 A = 3 7 2 2-2 9 20 7 -2 8 1 0 30-4 0 1 -1 0 2 8 = 0 1 -2 00 00 0 (a) Find the rank and nullity of A. rank nullity (b) Find a basis for the nullspace of A. (c) Find a basis for the row space of A. WNH ↓ 1 BEEBE: DI ↓1 (d) Find a basis for the column space of A. ↓1 (e) Determine whether or not the rows of A are linearly independent. O independent dependent (f) Let the columns of A be denoted by a₁, a2, a3, a4, and a5. Which of the following sets is (are) linearly independent? (Select all that apply.) O {a1, az, a4) {a₁, az, aç} O {a1, a3, a5)

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