Exercise &. Apply the BFGS method to the following functions with x(1) = ()and H(1) = 12. Show that H(3) = G-1. a. f(x) =-x7 4 2 . 2 x - (8, -4) x b. f (x) = 2 x (3 3) x+ (0,1)xExercise &. Apply the BFGS method to the following functions with x(1) = ()and H(1) = 12. Show that H(3) = G-1. a. f(x) =-x7 4 2 . 2 x - (8, -4) x b. f (x) = 2 x (3 3) x+ (0,1)x