Let S be the span of the vectors V1, V2, V3, V4 given by -2 -3 2 4 V1 = = V3 = V4 = ON 4 8 7 -14 S is a subspace of R4 Give a basis of S. In your answer below, if a vector is not needed, let its four entries be 99, 98, 97, 96 in that order, and put all such vectors after the basis vectors