Question

factorise by using algebraic identities y^2-121​

Answer 1

Answer:

${y}^{2} - 121 \\ = {y}^{2} - {11}^{2} \\ = (y + 11)(y - 11) \: \: \: \: ( {a}^{2} - {b}^{2} = (a - b)(a + b))$

Hope it helps you.

plz Mark it as brainliest.

Answer 2

$( a + b) \: (a - b) = {a}^{2} - {b}^{2}$

a== y

b==11

----------FAZAL----------