Question

Find the product of (x2+y)(x2+y)

Answer 1

(X^2+y)(x^2+y)
= (x4+x2y+x2y+y2)
= (x^4+ 2[x^2y] + y^2)

Answer 2

X⁴-Y⁴

Explanation:

∴

(

x

2

+

y

2

)

(

x

2

−

y

2

)

=

(

x

2

)

2

−

(

y

2

)

2

=

x

4

−

y

4