Question

which of these is not a factor of x^4-y^4




tell me directly answer,No need to explain.
​

Answer 1

Answer:

x⁴-y⁴

= (x²)²-(y²)²

= (x²+y²)(x²-y²)

= (x²+y²)(x+y)(x-y)

These are the factors of x⁴-y⁴.

So, the option which is not same as the factors of x⁴-y⁴ is the correct answer.