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AP EAMCET202422 May 2024Morning ShiftMathematicsFunctionsActual

If set A has 5 elements, set B has 7 elements then the number of many one functions that can be defined from A to B is

Options

  1. A7^5-7
  2. B5^7-5
  3. C5^7- ^7 P₅
  4. D7^5- ^7 P₅

Correct answer

D. 7^5- ^7 P₅

Step-by-step solution

Total number of functions from A to B=7^5 Number of one one functions from A to B= ^7 P₅ Number of many one functions =7^5- ^7 P₅ .

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