Question

Find the expansion for the following:
​

Answer 1

Answer:

which class..........

Answer 2

Step-by-step explanation:

This binomial has the form

(a+b)3

We expand the binomial by applying this property:

(a+b)^3=a^3+3*a^2*b+3*a*b^2+b^3 .

take a as x

and b as (y-1)