SOLUTION: find the fifth term of the expression (2a+b)^9
Algebra
->
Sequences-and-series
-> SOLUTION: find the fifth term of the expression (2a+b)^9
Log On
Algebra: Sequences of numbers, series and how to sum them
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Sequences-and-series
Question 450141
:
find the fifth term of the expression (2a+b)^9
Answer by
edjones(8007)
(
Show Source
):
You can
put this solution on YOUR website!
(2a+b)^9 expansion of a binomial.
9C5=126 coefficient of the 5th term.
126*2^5*a^5*b^4
=4032a^5b^4
.
Ed