Question

Without finding the square, find the difference of the two numbers
a) 555^2 - 554^2
b) 1000^2 - 999^2​

Answer 1

Answer:

a. => 555^2 -554^2

=> (555+554)(555-554)

=> 1109

b. => 1000^2-999^2

=> (1000+999)(1000-999)

=> 1999

I hope it would help you..