Question

using identies spuare of 199​

Answer 1

Answer:

sorry i dont know

Explanation:

thank you

Answer 2

(a-b)²= a²+b²-2ab

(200-1)²= (200)²+(1)²-2(200)(1)

= 40000+1-400

= 40000-399

= 39601

Explanation:-

1. Take the suitable identity according to the sum.
2. Then place numbers where there is written "a" and "b".
3. Then do the sum.

Hope It Helps You