Question

fund the value of ( 999)^2 by using either the formulae ( a+b )^2 or ( a-b)^2​

Answer 1

Step-by-step explanation:

the answer of this question is 800001

Answer 2

Answer:

(999)2 =(998+1)2

(a+b)2= (a)2 + 2ab + (b)2

= (998)2 + (2* 998 *1) + (1)2

= 998001