Question

Factorise : 2a² - 72b²​

Answer 1

Step-by-step explanation:

hope this is the correct answer but I am not sure.

Really sorry.

Answer 2

Step-by-step explanation:

2 ( a² - 36 b² )

By using identity a² - b² = ( a + b )( a - b )

2 ( a + 6b ) ( a - 6b ) ANS...