Question

Evaluate 703*697 using iden

Answer 1

Answer:

489991

Step-by-step explanation:

703 can be written as (700+3) and 697 can be written as (700-3)

Hence, 703*697 can be written as (700+3)*(700-3)

= (700)^2-(3)^2

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

= 489991 ( on solving the above)

Answer 2

Step-by-step explanation:

I hope this answer will help you as you wish.............