Question

If the $(3r)^{th} \,and\, (r+2)^{th}$ terms in the binomial expansion of $(1 + x)^{2n}$ are equal, then

• A. n = r
• B. n = r + 1
• C. n = 2 r
• D. n = 2 r - 1

Answer 1

Answer: (C)

n = 2 r

Answer 2

Answer (c) n = 2 r