Math, asked by priyanka9916, 3 months ago

9. यदि C(2n,r), =C(2n,r+2) हो, तो r का मान ज्ञात कीजिए।
(A)n-1
(B) n-2
(C)n-4
(D) n-3 (E) N.​

Answers

Answered by Anonymous
3

Answer:

(A)n-1

hope it help uh friend

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