Question

Factor the expression completely over the complex numbers. y4−16

Answer 1

$<b><i>$
Heya

y⁴ - 16

= (y²)² - (4)²

Using identity

a² - b² = (a + b)(a - b)

= (y² + 4)(y² - 4)

Hope this helps you.

Answer 2

~*HEY FRIEND*~
~* THE ANSWER OF YOUR QUESTION IS..*~

✍✍✍✍✍✍✍✍________________________________________I

y^4 -16

(y^2)^2 -(2)^2

using formula (a^2-b^2) =(a+b) (a-b)

(y^2 -4^2) (y^2 +4^2)

(y+4) (y-4) (y^2 +4^2)

HOPE IT WILL HELP YOU