Consider a system of linear equations: 1 7 8 = 6 -0-0-0-0 (9)-(0)-(0) 5 1 (a) Find an augmented matrix. 3 (b) Find the reduced echelon form of the augmented matrix. Show all procedures. (c) Solve the system by the result of (b). 2. Consider x1 + 3x2 = k { 4x1 + hx2 = 8 Determine h and k such that the solution set of the system has no solution. V3 = 2 and b = -(0)-(0)--(4)--() 3. Let V1 = V2= 3 3 9 V2, V3}? Explain your answer in detail. 3 . Is b in Span {V1,