Question

solve this using identity : 104*96.

Answer 1

104 × 96

= ( 100 + 4)(100 - 4)

= ( 100)^2 - (4)^2 [ (a +b) (a-b) = a^2 - b^2]

= 10000 - 16

= 9984

Answer 2

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

(100+4) (100-4)
= 100^2 - 4^2
= 10000-16
= 9984