Email
Chat with tutors
logo

Ask Questions, Get Answers

X
 
Answer
Comment
Share
Q)

The coefficient of the middle term in the expansion of $(1+x)^{40}$ is equal to :


( A ) $\frac{1.3.5....39}{(20!)}$
( B ) $\frac{40 !}{(20!)^2}$
( C ) $\frac{1.3.5....39}{(20!)} . 2^{20}$
( D ) $4! 2^{20}$

Please log in or register to answer this question.

Home Ask Tuition Questions
Your payment for is successful.
Continue
...