Question

using the identity:(a-b) ²=a²+2ab+b² 1)49²​

Answer 1

Answer:

( a - b ) ^ 2 = a^2 + b^2 - 2ab

( 50 - 1 ) ^ 2 = 50^2 + 1^2 - 2 x 50 x 1

                   = 2500 + 1 - 100

                    =  2401

Mark as brainliest please