1) π / 3 2) π / 2 3) 3π / 2 4) π Solution: (1) π / 3 Since 3 sin x – 4 sin3 x = sin 3x and sin3x increases when 3x can take values... View Article
1) 1 ≤ x ≤ 5 2) x ≤ 1 3) x ≥ 1 4) All values of x Solution: (4) All values of x f (x) = 1 – x3 – x5 f’ (x) = 0 - 3x2 - 5x4... View Article