Question

factorise
$16y ^{2} - 1$
​

Answer 1

Answer:

2 root 2

Step-by-step explanation:

hope it will help you

Answer 2

Answer:

$16y {}^{2} - 1$

$(4y) {}^{2} - 1 {}^{2}$

$(4y + 1)(4y - 1)$