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If P(2n+1, n-1) : P(2n-1, n) = 3 : 5 the...

If P(2n+1, n-1) : P(2n-1, n) = 3 : 5 then

A

a) n =4

B

b) n = 5

C

c) n = 6

D

c) n = 3

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