If f(x) = 2x³ – 3x² + x – 5, f'(x) = ? 6x² – 6x + 1 6x² – 3x + 1 3x² – 3x + 1 6x² – 3x – 5 Calculus (Basic)
If f(x) = x³ – 3x² + 4, find stationary points: x = 0, 2 x = 1, 2 x = -1, 2 x = 1, 3 Calculus (Basic)
If y = x² sin x, dy/dx = ? 2x sin x + x² cos x 2x cos x + x² sin x x² cos x 2x sin x Calculus (Basic)
