1.The function f(x)=(x2−1)∣x2−3x+2∣+cos(∣x∣)f(x) = (x^2 - 1)|x^2 - 3x + 2| + \cos(|x|)f(x)=(x2−1)∣x2−3x+2∣+cos(∣x∣) is NOT differentiable at:a.−1-1−1b.000c.111d.222Login to continueOnly logged in users canattempt or see the solution.
