A certain system has two components. There are 10 different models of the first component and11 different models of the second. Any first component can be paired with any second component. A salesman must select 2 of the first component and 3 of the second to take on a sales call. How many different sets of components can the salesman take? A) 10C5 11C5 B) 10P5 11P5 C) 10P2 11P3 D) 10C2 11C3

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Set Theory

Every field in the present world involves a set. The theory of sets was developed by German mathematician Georg Cantor while working on the “problems of trigonometric series”.