Math, asked by TaniaAlam, 8 months ago

If nC15 =nC8 then find the value of nC20

Answers

Answered by kshitijgumber3338

2

Step-by-step explanation:

nC15 = nC8

n= 15+8

n= 23

23C20 = 23!/20!3! = 23×22×21/3×2

= 1771

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