Consider the equationsy + 2kz = 0 x 4- 2y 4- 6z = 2 , kx + 2z = 1where k is an arbitrary constant. a. For which values of the constant k does this system have a unique solution? b. When is there no solution? c. When are there infinitely many solutions?

L31 - 2 1) Find R (n =4 : 1 2 3 4 4 1/2 1 2 3 4 5/2 7/2 2) Find R (n =8 :