Question

Find the product of : (i) (5+7)(5−7) ​

Answer 1

Answer:

(5+7)(5−7)

By the identity (a+b)(a-b) = a²-b²

=(5+7)(5−7)

=5²-7²

=25-49

=-24

Answer 2

Answer:

-24

Step-by-step explanation:

(5+7)(5-7)

RESEMBLES THE IDENTITY

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

so,(5+7)(5-7)=5^2-7^2

=25-49=-24

HOPE THIS HELPS YOU