engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Mathematics Differential Calculus Differentiability
The function f define by f(x) = {x2 + 3x + a, if x ≤ 1} and f(x) = (bx + 2, if x > 1} is differentiable for all x. Then which is true.
1
a = 3, b = 5
2
a = 5, b = 3
3
a ≠ 3, b ≠ 5
4
a = 3, b = 0