Using sets) In a study carried out with 260 university students, the following data was obtained: - 64 had taken a math course - 94 had taken a computer science course - 58 had taken a business administration course - 28 had taken a math course and a business administration course - 26 had taken a math course and a computer science course - 22 had taken a computer science course and a business administration course - 14 had taken all three types of courses a. How many students whose records were reviewed had not taken any of the three types of courses? b. Of the students whose records were studied, how many had taken only one computer science course?

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