The period of the function f(x)=[6x+7]+cosπx−6x, where [.] denotes the greatest integer function, is

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answer is A.

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Detailed Solution

f(x)=7+cosπx−{6x} cosπx period is 2 {6x} period is 1 Period of f(x) is L.C.M. of 1 , 2 is 2

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