Question

(100-5)×(100+5)×95×105+0×10000000×23×45×775×0.solve it by using identity

Answer 1

(100-5) × (100+5) × 95 × 105 + 0

⇒ 95 × 105 × 95 × 105

⇒ 20050

Answer 2

(100-5)×(100+5) ×95×105+0
=100sq.- 5sq. ×95×105
=9975 ×9975
=99500625