JEE Main 2019 Mathematics question

MathematicsContinuity and DifferentiabilityJEE Main 2019

Let be a function defined as . Then, f is:

Answer: (D)

Solution

x = 5 gives b = 5, x = 1 gives a = 0, but then at x = 3: a + 3b = 15 ≠ b + 15 = 20.

Question ID VK-010082