FindtheDTFTofthefollowingsignals:FindtheIDTFTofthefollowingsignals:DeterminetheDTFTofeachofthefollowingsequences:

1.FindtheDTFTofthefollowingsignals:

2.FindtheIDTFTofthefollowingsignals:

3.DeterminetheDTFTofeachofthefollowingsequences:

4.TheconvolutionpropertyoftheDTFTcansimplifydifficultoperationsthatariseinLTIfiltering.Simplifythefollowing:

please check for detail

Thank you