Question

Subtracting a rational number y from x is same as (a)x+y (b)y+(-x)(c) y-x (d)x+(-y)​

Answer 1

Answer:

x

3

1

+

y

3

1

=

x

3

y

3

x

3

+y

3

=

(xy)

3

(x+y)

3

−3xy(x+y)

=

b

3

a

3

−3ba

=

b

3

a

3

−3ab