1.

Which of the following funcitons is/are periodie ?

Answer»

`{:{(1",","x is RATIONAL"),(0",","x is irrational"):}`
`f(x)={:{(x-[x]",",2n le x lt 2n +1),(1/2,2n+1 le x lt 2n +2):}`, where[.] DENOTES the greatest INTEGER function, `n in Z`
`f(x)= (-1)^([(2x)/(pi)])` where [.] denotes the greatest integer integer function
`f(x)=x-[x+3]+tan ((pi x)/(2))`, where [.] denotes the greatest integer function, and a is a rational NUMBER

ANSWER :A::B::C::D


Discussion

No Comment Found