# please help i have done these problems 3 times now and always get them worng.

find the first three terms of (a-b)^6

find the last three terms of (2x+y)^5

find the third fourth and fifth terms of (a+b)^9

find the first three terms of (a-b)^6

find the last three terms of (2x+y)^5

find the third fourth and fifth terms of (a+b)^9