Evaluate 48^2 − 78^2 using an arithmetic identity.
Note
Use a²−b²=(a−b)(a+b). Here (48−78)(48+78) = -3780.
Evaluate 48^2 − 78^2 using an arithmetic identity.
Use a²−b²=(a−b)(a+b). Here (48−78)(48+78) = -3780.