Question

Find the value of the expression (x- y)² +4xy for x =1/3 and y= 2
​

Answer 1

Answer:

4xy(x−y)−6x

2

(y−y

2

)−3y

2

(2x

2

−x)+2xy(x−y)

=4x

2

y−4xy

2

−6x

2

y+6x

2

y

2

−6x

2

y

2

+3xy

2

+2x

2

y−2xy

2

=6x

2

y−6xy

2

−6x

2

y+3xy

2

=−3xy

2

=−3(5)(13)

2

=−2535

Answer 2

Answer:

(x-y)^2+4xy

=(x+y)^2

=(1/3+2)^2

=(7/2)^2

=49/4

=12 1/4