College Math MCQs – Certification Test 217

Complementary Combination Trivia (Question 217) – App & e-Book Download

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MCQ 217: The value of ^n-1C_r-2 + ^n-1C_r-1 is:

ⁿ⁺¹C_r
^n-1C_r
^n-1C_r
ⁿC_r-1

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