Question

using identities find.103×97

Answer 1

1772543 is the answer

Answer 2

103X97

=(100+3) X (100-3)

=(a+b) x (a-b)

=a^2-b^2

=a=100 and b=3

so, (100)^2-(3)^2

=10000-9

=9991

ans.  103X97=9991

thanks