Question

y⁴-625 (factorise)how to solve this problem ​

Answer 1

Solution:

=> y⁴ - 625

= (y² - 25) (y² + 25)

= (y - 5) (y + 5) (y² + 25)

Answer 2

Solution :-

• y⁴ - 625

By using formula -

• a² - b² = (a + b)(a - b)

=> (y² + 25)(y² - 25)

=> (y² + 25)(y + 5)(y - 5)