Question

Factorise 81a2-121b2
Please, select the correct answer.
(9a +11b)2;
(9a+11b)(9a-11b);
(9a -11b)2;
(11a+9b)(11a-9b)​

Answer 1

Answer:

I think so the answer is no. 3

Answer 2

Answer:

(9a+11b)(9a-11b)

Step-by-step explanation:

hope it helps you dude ..