SOLVED:Which of the following sets of vectors in R^4 are linearly dependent? (a) (3,8,7,-3),(1,5,3,-1),(2,-1,2,6),(1,4,0,3) (b) (0,0,2,2),(3,3,0,0),(1,1,0,-1) (c) (0,3,-3,-6),(-2,0,0,-6),(0,-4,-2,-2),(0,-8,4,-4) (d) (3,0,-3,6),(0,2,3,1),(0,-2,-2,0),(-2,1,2,1)