Questions
Sum of two middle terms in the expansion of is
a
2n−1Cn−1
b
2n−1Cn
c
2nCn
d
2nCn+1n
detailed solution
Correct option is C
Two middle terms in the expansion of (1+x)2n−1are 2n−1+12 th and 2n−1+12+1 th terms, that is, nth and (n+1)th termsCoefficients of the middle terms in the expansion of (1+x)2n−1 are 2n−1Cn−1 and 2n−1Cn and theirSum =2n−1Cn−1 +2n−1Cn=2nCnTalk to our academic expert!
Similar Questions
The sum of the real values of x for which the middle term in the binomial expansion of equals 5670 is
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
Popular Books
HC Verma Part 1HC Verma Part 2RS AgarwalRD SharmaLakhmir SinghDK GoelSandeep GargTS GrewalNCERT solutions
Class 12 NCERT SolutionsClass 11 NCERT SolutionsClass 10 NCERT SolutionsClass 9 NCERT SolutionsClass 8 NCERT SolutionsClass 7 NCERT SolutionsClass 6 NCERT Solutions
