Which of the following conditions are true if we solve f(x, y. z) = 3x - y -3z subjedi constraints x + y -z = 0 and x + 2z2 = 1 using lagrange multiplier ? (a)

Which of the following conditions are true if we solve f(x, y. z) = 3x - y -3z Subjedi constraints x + y -z = 0 and x + 2z2 = 1 using lagrange multiplier ? (A) min is v2 (B) max is 22 22 2 2 3 2 (C) max is at 6 (D) All of these