Question

Using a^ - b^= a+b a-b find
51^-49^

Answer 1

Answer:

200

Step-by-step explanation:

51^-49^=(51-49)(51+49)

           = (2)(100)

           =200

Answer 2

Answer:

Step-by-step explanation:

so we have the property that a^2-b^2=(a+b)(a-b)

so 51^2-49^2=(51+49)(51-49)

which equals to (100)(2)=200

HOPE THIS HELPS YOU