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If the coefficients of the rth, (r +1)th...

If the coefficients of the rth, (r +1)th and (r + 2)th terms in the binomial expansion of (1 + y)^(m)` are in A.P., then m and r satisfy the equation

A

`m^(2)-m(4r-1)+4r^(2)+2=0`

B

`m^(2)-m(4r+1)+ 4r^(2)-2=0`

C

`m^(2)-m(4r+1)+4r^(2)+2=0`

D

`m^(2)-m(4r-1)+4r^(2)-2=0`

Text Solution

Verified by Experts

The correct Answer is:
B
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