Question

calculate the value of 111 square -89 square using the formula for a square - b square ​

Answer 1

Step-by-step explanation:

using identities = (a+b) ( a—b) = a²—b²

111²—89²= (111+89)(111—89)

= 200×22

= 4400 Ans.

Answer 2

Answer:

111 square - 89 square

=(111+89)*(111-89)

=200*22

=4400