Question

POLYNOMIALS 5. 1 Find the 5th term in the expanison of 2x+ 3y
​

Answer 1

Answer:

The r

th

term in expansion of (a+x)

n

is given by

n

C

r−1

​

a

n+1−r

x

r−1

Similarly, the fifth term in the expansion of (a+2x

3

)

17

will be given by

17

C

4

​

a

13

(2x)

4

=

1.2.3.4

17.16.15.147

​

×16a

13

x

12

=38080a

13

x

12

Step-by-step explanation: