Question

Factorise
a) 121a^2 - 1446b^2​

Answer 1

Answer:

YOUR ANSWER

Step-by-step explanation:

Given expression is 121a

2

+154ab+49b

2

Using (x+y)

2

=x

2

+y

2

+2xy

We have x=11a,y=7b

Therefore, 121a

2

+154ab+49b

2

=(11a+7b)

2

Thus factors are(11a+7b),(11a++7b).

Answer 2

Answer:

(11a+12b)(11a-12b)

Step-by-step explanation:

(11a)²-(12b)²

a²-b²=(a+b)(a-b)

=(11a+12b)(11a-12b)

please mark me as a brainliest