Evaluate 132^2 − 78^2 using an arithmetic identity.
Note
Use a²−b²=(a−b)(a+b). Here (132−78)(132+78) = 11340.
Evaluate 132^2 − 78^2 using an arithmetic identity.
Use a²−b²=(a−b)(a+b). Here (132−78)(132+78) = 11340.