Question

Factorize each of the following expression:
25x⁴y⁴ − 1

Answer 1

$$\begin{gathered} 25x^4{y}^4-1 \\ =(5x^2{y}^2{)}^2-1 \\ =(5x^2{y}^2-1\left)\right(5x^2{y}^2+1) \end{gathered}$$