Maths

if n!/(n-r)!r! :n!/(n-(r+1))!r+1! =1/2 and n!/(n-(r+1))!(r+1)! :n!/(n-(r+2))!r+2! =2+3 then find the value of n and r?

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mounika v
Oct. 13, 2019, 6:29 p.m.

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