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If the integers r gt 1 , n gt 2 and co...

If the integers ` r gt 1 , n gt 2 ` and coefficients of (3)th and `(r+2)` nd terms in the Binomial expansion of `(1+x)^(2n)` are equal ,then

A

n = 2r

B

n = 3r

C

`n=2r+1`

D

None of these

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The correct Answer is:
A
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