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CGP EDU Academic Team
Published on: August 13, 2026
Discuss continuity and differentiability of y = f(x) in [–2, 5] where [.] denotes GIF & {.} denotes FPF f(x) = 
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discontinuous and non-differentiable at –1, 0, 1, 3, 4
Sol. [x] is dicontinuous at –1, 0
{x} is dicontinuous at 1
is dicontinuous at 3, 4
x = –1, 0
x = 1 1 {x}
x = 3, 4 
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