Evaluate 132^2 − 90^2 using an arithmetic identity.
Note
Use a²−b²=(a−b)(a+b). Here (132−90)(132+90) = 9324.
Evaluate 132^2 − 90^2 using an arithmetic identity.
Use a²−b²=(a−b)(a+b). Here (132−90)(132+90) = 9324.