Question

apply the identity (a+b)(a-b) =a²-b²

291²-289²​

Answer 1

Answer:

1160

Step-by-step explanation:

(a+b(a-b) = a²-b²

Here,

291²-289² = (291+289)(291-289)

= (580)(2)

= 1160

The value is 1160

Answer 2

Answer

1160

Step-by-step explanation

291^2-289^2

= (291 + 289)(291-289)

=580×2

=1160