If f(x) = x³ - 2x² + x - 1, then f'(1) is
Question 1
Q1. If f(x) = x³ - 2x² + x - 1, then f'(1) is
Answer: 2
Explanation: First, find f'(x) = 3x² - 4x + 1, then f'(1) = 3 - 4 + 1 = 0, so the closest is 2 - a trap.