X1s (b) 6+83 (d) 77 (d) none if a. b are the roots of x2 - (a - 2) x - (a + 1) = 0, then the least value of a? + b is (a) 0 (b) 5 (c) 2 (d) 3 rolle's theorem ca

X1S (B) 6+83 (D) 77 (D) None If a. B are the roots of x2 - (a - 2) x - (a + 1) = 0, then the least value of a? + B is (A) 0 (B) 5 (C) 2 (D) 3 Rolle's theorem cannot be apnlicable for