The ratio of the coefficient of (r+1)^{th} term in the expansion o | Filo
filo Logodropdown-logo

Class 11

Math

Algebra

Binomial Theorem

view icon532
like icon150

The ratio of the coefficient of term in the expansion of to the sum of the coefficients of and terms in the expansion of is:

Correct Answer: Option(a)
Solution: th term in the expansion is is

Thus the coefficient of term is
Now,
th term in the expansion of is
So, coefficient of term is
and thus the coefficient of th term is
using standard formula
Hence, the required ratio is .
view icon532
like icon150
filo banner image

Connecting you to a tutor in 60 seconds.

Get answers to your doubts.

playstore logoplaystore logo
Similar Topics
determinants
matrices
binomial theorem
complex numbers and quadratic equations
sequences and series