College Math MCQs – Certification Test 355

Complementary Combination MCQ (Question 355) – App & e-Book Download

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MCQ: 355

The value of ^n-2C_r + ^n-2C_r-1 is

^n-1C_r
^n-1C_r
ⁿC_r-1
^n-1C_r-1

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