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Given the integers rgt1,ngt2 and coeffic...

Given the integers `rgt1,ngt2` and coefficients of (3r)th and (r+2)nd terms in the binomial expansion of `(1+x)^(2n)` are equal, then:

A

`n=2 r `

B

`n=3 r `

C

`n=2 r+1 `

D

none of these

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The correct Answer is:
A
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