Think about the expansion for the binomial

(2x - y2)6.

the second term of this binomial is -y2.

what is the correct formula for the fifth term in this binomial expansion?

6c4(2x)4(-y2)2

6c4(2x)2(-y2)4

6c5()5

choose the simplified form of the fifth term of the expansion.

-60x2y8

-30x2y8

30x2y8

60x2y8

plz ! i don't know the answer to the 2nd one, and i need to catch up on my courses.
the first term of this binomial is 2x.