Questions
The ratio of the coefficient of in and the term independent of in is
detailed solution
Correct option is B
Tr+1=(r+1) th term in 1+x210=10Crx2r∴ coefficient of x10 in 1+x210 is 10C5.Also, tr+1=(r+1) th term in x+2x10=10Cr(x)10−r2xr=10Cr2rx10−2rFor this term to be independent of x, set 10−2r=0or r=5.∴ term independent of x is 10C525Talk to our academic expert!
Similar Questions
lf the term independent of x in the expansion of is k, then 18k is equal to
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests