Math, asked by sharmakumartushar, 9 months ago

51c31 is equal to
(a) 51C20
(b) 2.50C20
(c) 2.45C15

Answers

Answered by sakshimoreyyy

21

Answer:

51c20

Step-by-step explanation:

nCr = nCn-r

51c31 = 51c51-31

= 51c20

Answered by aakanshachauhan

0

Answer:

answer :- (a) 51C20 ✌️

Step-by-step explanation:

using the first property of combination

nCr = nCn-r

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