Let A x 20 -5 y 7 -3 3 Z If the kernel of A contains the vector 1 -2 3 what are x, y, and z? (x, y, z) = Suppose that u, v, and w are vectors in an inner product space such that = = ! ! ! (u, v) = 1, (u, w) = 4, (v, w) = 0 || 0 || = 1, ||v|| = 5, || W || = 3. = = Evaluate the expression. ||+ v