Q20 of 64 Page 10

Choose the correct answer.

The function where [.] denotes the greatest integer function, is


Given that


∵ We know that π (x - π ) = nπ and sin nπ = 0


So,


⇒ f(x) = 0 for all x


Thus f(x) is a constant function and continuous as well as differentiable for all xϵR

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