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    Mathematics
  3. Study Set
    Precalculus with Limits
  4. Exam
    Exam 9: Sequences Series and Probability
  5. Question
    Evaluate\({ } _ { n } C _ { r }\)
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Evaluate nCr{ } _ { n } C _ { r }n​Cr​

Question 257

Question 257

Multiple Choice

Evaluate nCr{ } _ { n } C _ { r }n​Cr​ using the formula from this section. 5C3{ } _ { 5 } C _ { 3 }5​C3​


A) 84
B) 60
C) 10
D) 20
E) 35

Correct Answer:

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