Question

Find the cube of x-1/2 ​

Answer 1

Step-by-step explanation:

Cube of x−2y=(x−2y)3

Using, (a−b)3=a3−b3−3ab(a−b)

=x3−(2y)3−3(x)(2y)(x−2y)

=x3−8y3−6xy(x−2y)

=x3−8y3−6x2y+12xy2