Evaluate 72^2 − 54^2 using an arithmetic identity.
Note
Use a²−b²=(a−b)(a+b). Here (72−54)(72+54) = 2268.
Evaluate 72^2 − 54^2 using an arithmetic identity.
Use a²−b²=(a−b)(a+b). Here (72−54)(72+54) = 2268.