Question

1397×1397=ak ank me trick

Answer 1

1397 x 1397= (1397)^2

= (1400 - 3)^2

= (1400)2 + (3)^2 - (2 x 1400 x 3)

= 1960000 + 9 - 8400

= 1960009 - 8400= 1951609.

Answer 2

1397×1397=1, 951, 609